4-400-tube

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EIMAC 4-400 Vintage RADIO Transmitting VACUUM TUBE USA Tested 1.7707-D
EIMAC 4-400 Vintage RADIO Transmitting VACUUM TUBE USA Tested 1.7707-D

$74.95

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Eimac 4-400A Transmitter Tubes (Untested)
Eimac 4-400A Transmitter Tubes (Untested)

$45.99

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4-400A Eimac Vintage Electron Vacuum Tube
4-400A Eimac Vintage Electron Vacuum Tube

$50.00

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RCA EIMAC 4-400A Transmitting Tube
RCA EIMAC 4-400A Transmitting Tube

$75.00

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LIGHTLY USED TESTED FULL OUTPUT PENTA 4-400A TETRODE TRANSMITTING POWER TUBE
LIGHTLY USED TESTED FULL OUTPUT PENTA 4-400A TETRODE TRANSMITTING POWER TUBE

$89.99

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4-400A Transmitting Tube Italy
4-400A Transmitting Tube Italy

$100.00

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4-400a tube Amplifier, Oscillator, or Modulator
4-400a tube Amplifier, Oscillator, or Modulator

$75.00

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Vintage Radio Tube Eimac 4-400A Power Tetrode Transmission Tube
Vintage Radio Tube Eimac 4-400A Power Tetrode Transmission Tube

$57.14

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Eimac 4-400A Transmitter Tube, pre-owned
Eimac 4-400A Transmitter Tube, pre-owned

$47.60

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Eimac 4-400a tube
Eimac 4-400a tube

$70.00

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Eimac & RCA 4-400A Power Amplifier or RF Transmitting Tube
Eimac & RCA 4-400A Power Amplifier or RF Transmitting Tube

$80.00

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AMPEREX 4-400A Vintage RADIO TRANSMITTING VACUUM TUBE USA Tested 1.7704-D
AMPEREX 4-400A Vintage RADIO TRANSMITTING VACUUM TUBE USA Tested 1.7704-D

$74.95

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SWAGELOK B-400-2-4 MALE ELBOW TUBE BRASS 90°DEG 1/4 Tube 1/4 Male Pipe 25 PCs
SWAGELOK B-400-2-4 MALE ELBOW TUBE BRASS 90°DEG 1/4 Tube 1/4 Male Pipe 25 PCs

$80.00

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Box Of 25 Swagelok SS-400-6 Stainless Pipe Union 1/4in Tube
Box Of 25 Swagelok SS-400-6 Stainless Pipe Union 1/4in Tube

$268.55

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LOT OF 23 Swagelok Fitting 1/4" Tube Fitting x 1/2” NPT SS-400-1-8
LOT OF 23 Swagelok Fitting 1/4" Tube Fitting x 1/2” NPT SS-400-1-8

$450.00

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LOT OF 10 Swagelok 1/4" X 1/4" SS Tube Fitting SS-400-1-4 Several Avail New
LOT OF 10 Swagelok 1/4" X 1/4" SS Tube Fitting SS-400-1-4 Several Avail New

$100.00

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Unused??? PENTA PL- 4-400A HIGH POWER RF POWER TUBE JAN-CBZC-4-400A - Tube #1
Unused??? PENTA PL- 4-400A HIGH POWER RF POWER TUBE JAN-CBZC-4-400A - Tube #1

$75.00

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Swagelok SS-400-NFSET, 1/4" Tube Nut & Ferrule Set, Lot of 10
Swagelok SS-400-NFSET, 1/4" Tube Nut & Ferrule Set, Lot of 10

$50.00

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TUBE 350/400-17 TR-4 VALVE STEM
TUBE 350/400-17 TR-4 VALVE STEM

$19.76

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AIRAID 100-400 4" Universal Cold Air Intake Tube U-Build-It Kit Multi Angle
AIRAID 100-400 4" Universal Cold Air Intake Tube U-Build-It Kit Multi Angle

$149.99

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NEEWER Q4 Flash Tube 400Ws Replacement
NEEWER Q4 Flash Tube 400Ws Replacement

$99.95

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Eimac 4-400A Vintage NOS Ham Radio Amplifier Transmitting Tube + Box (tested)
Eimac 4-400A Vintage NOS Ham Radio Amplifier Transmitting Tube + Box (tested)

$115.00

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PENTA PL-4-400A Tube Device??? I Don’t Know What It’s For
PENTA PL-4-400A Tube Device??? I Don’t Know What It’s For

$250.00

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Eimac 4-400A Transmitter Vacuum Tube - VG Condition - Vintage Used
Eimac 4-400A Transmitter Vacuum Tube - VG Condition - Vintage Used

$74.99

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Vintage Eimac 4-400A Radio + 1 Unnamed Transmitting Tubes UNTESTED “L@@K”
Vintage Eimac 4-400A Radio + 1 Unnamed Transmitting Tubes UNTESTED “L@@K”

$79.99

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Radial Beam Power Tetrode Transmission Tube 4-400 Hand Written Amateur Ham AS-IS
Radial Beam Power Tetrode Transmission Tube 4-400 Hand Written Amateur Ham AS-IS

$29.99

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VINTAGE EIMAC SK-406 CHIMNEY FOR 3-500Z, 4-250A, 4-400A,4-400B, 4-400C TUBES
VINTAGE EIMAC SK-406 CHIMNEY FOR 3-500Z, 4-250A, 4-400A,4-400B, 4-400C TUBES

$89.50

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Swagelok SS-400-1-4, Male Connector, 1/4" Tube x 1/4" NPT Male, Lot of 4
Swagelok SS-400-1-4, Male Connector, 1/4" Tube x 1/4" NPT Male, Lot of 4

$45.00

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AirAid 100-400 Universal Tube
AirAid 100-400 Universal Tube

$149.99

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AMPEREX 4-400A PAIR NIB TRANSMITTER TUBE
AMPEREX 4-400A PAIR NIB TRANSMITTER TUBE

$599.99

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GRAINGER APPROVED 4HHD1 Tubing,11/64" ID,1/4" OD,250Ft,Green 4HHD1
GRAINGER APPROVED 4HHD1 Tubing,11/64" ID,1/4" OD,250Ft,Green 4HHD1

$84.87

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Robertshaw 4350-028 Gas Cook Control,Tstat Kit For Griddles
Robertshaw 4350-028 Gas Cook Control,Tstat Kit For Griddles

$191.99

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Unused??? PENTA PL- 4-400A HIGH POWER RF POWER TUBE JAN-CBZC-4-400A - Tube #2
Unused??? PENTA PL- 4-400A HIGH POWER RF POWER TUBE JAN-CBZC-4-400A - Tube #2

$75.00

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Varian Eimac 4-400B 9342 Tube Ham Radio Transceiver Amp Amplifier (b388)
Varian Eimac 4-400B 9342 Tube Ham Radio Transceiver Amp Amplifier (b388)

$70.00

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2/4/6Pcs Inner Tube 480 / 400-8 4.80 / 4.00-8 4.00-8.10x8 TR13 Straight Stem
2/4/6Pcs Inner Tube 480 / 400-8 4.80 / 4.00-8 4.00-8.10x8 TR13 Straight Stem

$31.49

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Eimac 4-400a Transmiting Tube
Eimac 4-400a Transmiting Tube

$110.50

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3-500ZG / 4-400A TUBE SOCKET
3-500ZG / 4-400A TUBE SOCKET

$18.00

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USED EIMAC 8438 / 4-400A HIGH POWER RF POWER TUBES
USED EIMAC 8438 / 4-400A HIGH POWER RF POWER TUBES

$49.99

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NEW SWAGELOK 2507-400-6 2507 SUPER DUPLEX 1/4 TUBE UNION FITTING
NEW SWAGELOK 2507-400-6 2507 SUPER DUPLEX 1/4 TUBE UNION FITTING

$109.99

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GS-36B GS36 Tetrode Tube Svetlana eq. 4CX400A
GS-36B GS36 Tetrode Tube Svetlana eq. 4CX400A

$89.00

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NEW UNUSED AMPEREX 4-400C GRAPHITE PLATE HIGH POWER RF POWER TRANSMITTING TUBE
NEW UNUSED AMPEREX 4-400C GRAPHITE PLATE HIGH POWER RF POWER TRANSMITTING TUBE

$119.99

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Duro Tire Tire - HF307 - 400-18 4PR - Tube Type 25-30718-400BTT
Duro Tire Tire - HF307 - 400-18 4PR - Tube Type 25-30718-400BTT

$84.07

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Swagelok SS-400-2-4, Elbow, 1/4" Tube x 1/4" NPT Male, Lot of 7
Swagelok SS-400-2-4, Elbow, 1/4" Tube x 1/4" NPT Male, Lot of 7

$80.00

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Swagelok SS-400-R-6, Reducer, 1/4" Tube x 3/8" Tube, Lot of 4
Swagelok SS-400-R-6, Reducer, 1/4" Tube x 3/8" Tube, Lot of 4

$45.00

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AS-4T400 - 400VA 400Vx2 + 6.3V / 800Vct Tube Amplifier Power Transformer
AS-4T400 - 400VA 400Vx2 + 6.3V / 800Vct Tube Amplifier Power Transformer

$98.00

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Johnson socket #275, for 4-400 tube
Johnson socket #275, for 4-400 tube

$18.08

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Duro Tire - HF307 - 4.00-18 - 4 Ply - Tube Type | 25-30718-400BTT | Sold Each
Duro Tire - HF307 - 4.00-18 - 4 Ply - Tube Type | 25-30718-400BTT | Sold Each

$79.76

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NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE MATCHED PAIR McINTOSH MR Sony C37A Altec 21
NOS 6AU6 EF94 LOW-NOISE CIFTE FRANCE MATCHED PAIR McINTOSH MR Sony C37A Altec 21

$87.96

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Airaid 100-400 4" O.D. Universal Air Intake Tube - Multi-Angle NEW
Airaid 100-400 4" O.D. Universal Air Intake Tube - Multi-Angle NEW

$149.99

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GS-36B Tetrode Tube Svetlana same as 4CX400A military OTK
GS-36B Tetrode Tube Svetlana same as 4CX400A military OTK

$88.00

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1 Swagelok Fitting 1/4 in. Tube OD x 1/4 in. Female NPT Tube Fitting M-400-7-4
1 Swagelok Fitting 1/4 in. Tube OD x 1/4 in. Female NPT Tube Fitting M-400-7-4

$20.00

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A VINTAGE PENTA PL-4-400A HIGH POWER TRANSMITTING TUBE NOS TUBE
A VINTAGE PENTA PL-4-400A HIGH POWER TRANSMITTING TUBE NOS TUBE

$385.00

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GS-36B / GS36B Tetrode Tube Svetlana eq. 4CX400A ceramic-metal NOS OTK USSR 1pc.
GS-36B / GS36B Tetrode Tube Svetlana eq. 4CX400A ceramic-metal NOS OTK USSR 1pc.

$89.00

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Lot of (3) SS-400-1-4W Swagelok Male Connector, 1/4 Tube OD x 1/4 Male Pipe Weld
Lot of (3) SS-400-1-4W Swagelok Male Connector, 1/4 Tube OD x 1/4 Male Pipe Weld

$30.00

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RARE VINTAGE WESTINGHOUSE HIGH POWER TRANSMITTER ELECTRON TUBE WL4-400A
RARE VINTAGE WESTINGHOUSE HIGH POWER TRANSMITTER ELECTRON TUBE WL4-400A

$99.99

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Swagelok Tube Fitting, Union, 1/4 in. Tube OD (SS-400-6)
Swagelok Tube Fitting, Union, 1/4 in. Tube OD (SS-400-6)

$11.00

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4 Inner Tube 480/400-8 4.80/4.00-8 4.00-8 Garden Carts Wheelbarrow Tiller Tires
4 Inner Tube 480/400-8 4.80/4.00-8 4.00-8 Garden Carts Wheelbarrow Tiller Tires

$25.79

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TWO 400-8 DEESTONE TRI RIB 4PLY 400x8 4.00-8 3 RIB Tractor Tires with tubes
TWO 400-8 DEESTONE TRI RIB 4PLY 400x8 4.00-8 3 RIB Tractor Tires with tubes

$89.99

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Eimac 4-400A Jan-cim-4-400A Made in USA 6039 Electron Tube Untested w/ Socket
Eimac 4-400A Jan-cim-4-400A Made in USA 6039 Electron Tube Untested w/ Socket

$110.99

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Swagelok SS-400-4, 1/4" Tube Union Cross- FREE SHIPPING
Swagelok SS-400-4, 1/4" Tube Union Cross- FREE SHIPPING

$80.86

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Vintage TWO Eimac 4x500A Beam Power Tetrode Transmitting Vacuum Tubes 6335
Vintage TWO Eimac 4x500A Beam Power Tetrode Transmitting Vacuum Tubes 6335

$49.99

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Amperex 6775 4-400C Transmitting Tube Filament & Grid Tested Only Made in France
Amperex 6775 4-400C Transmitting Tube Filament & Grid Tested Only Made in France

$75.00

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Kepco 0-325 VDC 0-400 mA/ Regulated Tube Power Supply. HB4AM
Kepco 0-325 VDC 0-400 mA/ Regulated Tube Power Supply. HB4AM

$89.00

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Airaid 100-400 4" Diameter UBI Multi-Angle Air Intake Tube - Universal
Airaid 100-400 4" Diameter UBI Multi-Angle Air Intake Tube - Universal

$149.99

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Airaid 100-400 Universal 4" LS Engine Swap U-Build-It Cold Air Intake Tube Kit
Airaid 100-400 Universal 4" LS Engine Swap U-Build-It Cold Air Intake Tube Kit

$149.99

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AMPEREX 4-400B TW0 TRANSMITTER TUBES NOS ORIGINAL BOX HAM RADIO
AMPEREX 4-400B TW0 TRANSMITTER TUBES NOS ORIGINAL BOX HAM RADIO

$450.00

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CAY38356 4-400A Tube Socket 1pc
CAY38356 4-400A Tube Socket 1pc

$12.00

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Lot of 4 Western Electric 398A 400B 399B 401A Vacuum Tubes - TV-7/A Test Weak
Lot of 4 Western Electric 398A 400B 399B 401A Vacuum Tubes - TV-7/A Test Weak

$35.00

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TWO 4.00-12 4.00X12 400-12 CUB FARMALL Tri 3-Rib Tractor Tires with Tubes 4Ply
TWO 4.00-12 4.00X12 400-12 CUB FARMALL Tri 3-Rib Tractor Tires with Tubes 4Ply

$76.00

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2004-2005 Arctic Cat 400 4x4 Air Intake Boot Tube Aftermarket
2004-2005 Arctic Cat 400 4x4 Air Intake Boot Tube Aftermarket

$39.99

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Swagelok SS-400-7-6, Female Connector, 1/4" Tube OD X 3/8" Female NPT, Lot of 5
Swagelok SS-400-7-6, Female Connector, 1/4" Tube OD X 3/8" Female NPT, Lot of 5

$35.00

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SWAGELOK SS-400-6 1/4" UNION TUBE X 1/4 TUBE OD FITTING - FREE SHIPPING
SWAGELOK SS-400-6 1/4" UNION TUBE X 1/4 TUBE OD FITTING - FREE SHIPPING

$94.36

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400x12,400-12,4.00x12,4.00-12 CUB FARMALL 3 Rib Tractor Tires with Tubes
400x12,400-12,4.00x12,4.00-12 CUB FARMALL 3 Rib Tractor Tires with Tubes

$109.99

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Swagelok SS-400-2-4, .1/4 tube x 1/4 NPT compression Elbow Fitting,
Swagelok SS-400-2-4, .1/4 tube x 1/4 NPT compression Elbow Fitting,

$13.75

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AMPEREX 4-400A PAIR NEW OLD STOCK TRANSMITTER TUBES RADIO MADE IN ITALY NOS
AMPEREX 4-400A PAIR NEW OLD STOCK TRANSMITTER TUBES RADIO MADE IN ITALY NOS

$599.99

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Electriduct PTFE Fluoropolymer Heat Shrink Tubing
Electriduct PTFE Fluoropolymer Heat Shrink Tubing

$69.50

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Swagelok B-400-1-4SC11 1/4” tube x 1/4 mnpt
Swagelok B-400-1-4SC11 1/4” tube x 1/4 mnpt

$6.00

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1 Swagelok, 1/4" Tube x 1/4" MNPT Monel (Alloy 400/R-405) Elbow M-400-2-4
1 Swagelok, 1/4" Tube x 1/4" MNPT Monel (Alloy 400/R-405) Elbow M-400-2-4

$16.00

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Honda TRX400EX 400EX FMF Power Core 4 Exhaust Tail Pipe Muffler Silencer #335
Honda TRX400EX 400EX FMF Power Core 4 Exhaust Tail Pipe Muffler Silencer #335

$199.99

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2003 Suzuki Eiger 400 4x4 Exhaust Head Pipe Silencer Muffler
2003 Suzuki Eiger 400 4x4 Exhaust Head Pipe Silencer Muffler

$79.99

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Swagelok SS-400-3-4TTM 1/4" Tube OD x 1/4" Male NPT Tee
Swagelok SS-400-3-4TTM 1/4" Tube OD x 1/4" Male NPT Tee

$19.75

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Swagelok SS-400-R-4 .1/4 tube x 1/4 tube adapt,
Swagelok SS-400-R-4 .1/4 tube x 1/4 tube adapt,

$8.95

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One C1136 / 4-400A Transmitting Tube, By English Electric, Guarantee With Refund
One C1136 / 4-400A Transmitting Tube, By English Electric, Guarantee With Refund

$85.00

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IRC Tube - 400/510,120/90-18TR4 T20064
IRC Tube - 400/510,120/90-18TR4 T20064

$22.86

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2 PTFE Swagelok Tube Fittings Reducing Union 1/4" x 1/16" Tube OD T-400-6-1
2 PTFE Swagelok Tube Fittings Reducing Union 1/4" x 1/16" Tube OD T-400-6-1

$19.75

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Crushproof Tubing (CRUFLT400) Exhaust Hose - 4"x11 Ft.
Crushproof Tubing (CRUFLT400) Exhaust Hose - 4"x11 Ft.

$146.42

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Pair Ceramic 5 pin Johnson 275 Vacuum Tube Sockets for 3-500Z, 4-400A, 4-125,etc
Pair Ceramic 5 pin Johnson 275 Vacuum Tube Sockets for 3-500Z, 4-400A, 4-125,etc

$39.00

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TWO GS-36B Tetrode NEW Tube Same DATE CODE QRO HF VHF UHF GS36B 4CX400A
TWO GS-36B Tetrode NEW Tube Same DATE CODE QRO HF VHF UHF GS36B 4CX400A

$179.00

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Arctic Cat A FIS 4x4 400 08 Exhaust Header Pipe 0512-242 47216
Arctic Cat A FIS 4x4 400 08 Exhaust Header Pipe 0512-242 47216

$109.99

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Swagelok SS-400-61 Bulk Head Union Fitting 1/4” Tube
Swagelok SS-400-61 Bulk Head Union Fitting 1/4” Tube

$17.00

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Swagelok B-400-SET Brass Ferrule Set for 1/4 in. Tube Fitting, 10set/PK- NEW
Swagelok B-400-SET Brass Ferrule Set for 1/4 in. Tube Fitting, 10set/PK- NEW

$25.00

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Box Of 10 Swagelok SS-400-3 Stainless Pipe Tee 1/4in Tube 1/4in Tube 1/4in Tube
Box Of 10 Swagelok SS-400-3 Stainless Pipe Tee 1/4in Tube 1/4in Tube 1/4in Tube

$205.60

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Swagelok Female Elbow 1/4" Tube OD x 1/4" Female NPT 316 Stainless SS-400-8-4
Swagelok Female Elbow 1/4" Tube OD x 1/4" Female NPT 316 Stainless SS-400-8-4

$19.25

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Westinghouse Type 6AF4A Vacuum Tube TESTED 750/400 Re-boxed
Westinghouse Type 6AF4A Vacuum Tube TESTED 750/400 Re-boxed

$9.99

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11x4.00-4 11x400-4 11/4.00-4 Turf Lawn Mower Go Kart Turf TIRES w/Tube 2PR
11x4.00-4 11x400-4 11/4.00-4 Turf Lawn Mower Go Kart Turf TIRES w/Tube 2PR

$12.50

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2PCS 5pin U5G Ceramic Tube Socket For 4-400A 3-500Z 4-400 4-125 AUDIO AMP DIY
2PCS 5pin U5G Ceramic Tube Socket For 4-400A 3-500Z 4-400 4-125 AUDIO AMP DIY

$17.13

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TUBE 350/400-8 TR-4 VALVE STEM
TUBE 350/400-8 TR-4 VALVE STEM

$16.50

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UNISOURCE UPCS-400-FLG FLEXIBLE CS/SS BRAIDED PIPE CONNECTOR FLANGED 4" DIA 9" L
UNISOURCE UPCS-400-FLG FLEXIBLE CS/SS BRAIDED PIPE CONNECTOR FLANGED 4" DIA 9" L

$118.00

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Swagelok Tube Fittings Male Elbows S-400-2-4 Box of 25 for 1/4" Tube & Pipe
Swagelok Tube Fittings Male Elbows S-400-2-4 Box of 25 for 1/4" Tube & Pipe

$189.99

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Clear Poly Tubing 1.5-6 MIL Multiple SIZES Single Roll Plastic Poly bags
Clear Poly Tubing 1.5-6 MIL Multiple SIZES Single Roll Plastic Poly bags

$226.79

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