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4455T1 — FAUCET,RADIATOR FILLING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4455T1: FAUCET,RADIATOR FILLING.

The FAUCET,RADIATOR FILLING is a the manufacturer industrial component. Key specifications include end_item_identification: MAGNAFLUX MACHINE., general_characteristics_item_description: 5.750 IN.O/A LG,5.000 IN. O/A W,1.000 IN.THK,THD INTERNAL HOSE CONNECTION,0.750 IN.11-1/2,NH,W/RUBBER WASHER IN.

This part is cataloged in the U.S. Government catalog under NSN 4730-00-821-7908, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4455T1
NSN: 4730-00-821-7908
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
end_item_identificationMAGNAFLUX MACHINE.
general_characteristics_item_description5.750 IN.O/A LG,5.000 IN. O/A W,1.000 IN.THK,THD INTERNAL HOSE CONNECTION,0.750 IN.11-1/2,NH,W/RUBBER WASHER IN
NSN4730-00-821-7908
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4455T1 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 5.750 IN.O/A LG,5.000 IN. O/A W,1.000 IN.THK,THD INTERNAL HOSE CONNECTION,0.750 IN.11-1/2,NH,W/RUBBER WASHER IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION5.750 IN.O/A LG,5.000 IN. O/A W,1.000 IN.THK,THD INTERNAL HOSE CONNECTION,0.750 IN.11-1/2,NH,W/RUBBER WASHER IN
END ITEM IDENTIFICATIONMAGNAFLUX MACHINE.
SUBSTITUTES & CROSS-REFERENCES 2
5521K2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4450T1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4455T1?
4455T1 is a FAUCET,RADIATOR FILLING.
What parts can replace 4455T1?
There are 2 known substitutes for 4455T1: 5521K2, 4450T1. Substitute compatibility should be verified for your specific system.
What is the NSN for 4455T1?
4455T1 is cataloged in the U.S. Government catalog under NSN 4730-00-821-7908. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.