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U540487 — MANIFOLD,HEAT EXCHANGER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

U540487: MANIFOLD,HEAT EXCHANGER.

The MANIFOLD,HEAT EXCHANGER is a the manufacturer industrial component. Key specifications include special_features: USED ON ENVIROMENTAL SYSTEMS, end_item_identification: B-2 STEALTH BOMBER, general_characteristics_item_description: ALUMINUM ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 1680-01-374-9757, 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
U540487
NSN: 1680-01-374-9757
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
CAGE: 78943 — TRIUMPH THERMAL SYSTEMS, LLC (USA)
SPECIFICATIONS
special_featuresUSED ON ENVIROMENTAL SYSTEMS
end_item_identificationB-2 STEALTH BOMBER
general_characteristics_item_descriptionALUMINUM ALLOY
NSN1680-01-374-9757
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MANIFOLD,HEAT EXCHANGER TITLE COMPONENT PN U540487 MFR MANIFOLD,HEAT EXCHANGE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY
SPECIAL FEATURESUSED ON ENVIROMENTAL SYSTEMS
END ITEM IDENTIFICATIONB-2 STEALTH BOMBER
OTHER ITEMS IN FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736 1680-00-003-3721 1680-00-009-3782 1680-00-009-6180 1680-00-475-0002 1680-00-696-6170 1680-00-867-7158 1680-00-885-0923
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is U540487?
U540487 is a MANIFOLD,HEAT EXCHANGER.
What is the NSN for U540487?
U540487 is cataloged in the U.S. Government catalog under NSN 1680-01-374-9757. 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.