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646850 — TUBE ASSEMBLY,FUEL

✓ Government record, cited
Legrand · COMPONENT
PRODUCT OVERVIEW

646850: TUBE ASSEMBLY,FUEL.

The TUBE ASSEMBLY,FUEL is a Legrand industrial component. Key specifications include end_item_identification: ENGINE,ACFT,TF33. This part is cataloged in the U.S.

Government catalog under NSN 2915-00-756-0635, 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
646850
NSN: 2915-00-756-0635
FSC: 2915 — Engine Fuel System Components, Aircraft and Missile Prime Movers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationENGINE,ACFT,TF33
NSN2915-00-756-0635
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand TUBE ASSEMBLY,FUEL TITLE COMPONENT PN 646850 MFR Legrand TUBE ASSEMBLY,FUEL
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONENGINE,ACFT,TF33
OTHER ITEMS IN FSC 2915 — Engine Fuel System Components, Aircraft and Missile Prime Movers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2915-00-001-2369 2915-00-001-2370 2915-00-001-2627 2915-00-001-4681 2915-00-001-5421 2915-00-001-5423 2915-00-001-9122 2915-00-001-9139
SUBSTITUTES & CROSS-REFERENCES 1
499396Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 646850?
646850 is a TUBE ASSEMBLY,FUEL manufactured by Legrand.
What parts can replace 646850?
There is 1 known substitute for 646850: 499396. Substitute compatibility should be verified for your specific system.
What is the NSN for 646850?
646850 is cataloged in the U.S. Government catalog under NSN 2915-00-756-0635. 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.