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Technical Data Sheet
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185-5540 — LOCK,VALVE SPRING RETAINER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

185-5540: LOCK,VALVE SPRING RETAINER.

The LOCK,VALVE SPRING RETAINER is a the manufacturer industrial component. Key specifications include end_item_identification: 7.5KW GENERATOR SET, part_name_assigned_by_controlling_agency: RETAINER,SPRING. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-620-5239, 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
185-5540
NSN: 2815-01-620-5239
FSC: 2815 — Diesel Engines and Components
CAGE: 3Z577 — ONAN CORP ONAN POWER/ELECTRONICS DIV (USA)
SPECIFICATIONS
end_item_identification7.5KW GENERATOR SET
part_name_assigned_by_controlling_agencyRETAINER,SPRING
NSN2815-01-620-5239
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCK,VALVE SPRING RETAINER TITLE COMPONENT PN 185-5540 MFR LOCK,VALVE SPRING RETA
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER,SPRING
END ITEM IDENTIFICATION7.5KW GENERATOR SET
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-000-0075 2815-00-001-0022 2815-00-001-3475 2815-00-001-7728 2815-00-001-7737 2815-00-001-7805 2815-00-001-7806 2815-00-001-7813
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 185-5540?
185-5540 is a LOCK,VALVE SPRING RETAINER.
What is the NSN for 185-5540?
185-5540 is cataloged in the U.S. Government catalog under NSN 2815-01-620-5239. 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.