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Technical Data Sheet
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045275 — O-RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

045275: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: GENERATOR SET. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-278-5294, 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
045275
NSN: 5365-00-278-5294
NIINs: 002785294, 016031057
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 72560 — GENERAL MOTORS CORP DELCO PRODUCTS DIV MACHINE CONTROL SYSTEMS (USA)
SPECIFICATIONS
end_item_identificationGENERATOR SET
NSN5365-00-278-5294
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available O-RING TITLE COMPONENT PN 045275 MFR O-RING
KEY FEATURES
•
HEAD HEIGHT: 0.469 INCHES NOMINAL IN
•
CONNECTION STYLE: PLAIN
•
THREAD LENGTH: 0.191 INCHES NOMINAL EXTERNAL IN
•
STYLE DESIGNATOR: PLUG, MACHINE
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
NOMINAL THREAD SIZE: 0.375 INCHES EXTERNAL IN
•
WASHER FACE DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.469 INCHES NOMINAL IN
CONNECTION STYLEPLAIN
THREAD LENGTH0.191 INCHES NOMINAL EXTERNAL IN
STYLE DESIGNATORPLUG, MACHINE
OVERALL LENGTH0.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE0.375 INCHES EXTERNAL IN
WASHER FACE DIAMETER0.500 INCHES NOMINAL IN
WASHER FACE THICKNESS0.016 INCHES NOMINAL IN
THREAD CLASS2A EXTERNAL A
SUBSTITUTES & CROSS-REFERENCES 3
446979Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
5290939Reference document
Same NSN cross-reference
Reference document — Secondary reference
373885Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 045275?
045275 is a O-RING.
What parts can replace 045275?
There are 3 known substitutes for 045275: 446979, 5290939, 373885. Substitute compatibility should be verified for your specific system.
What is the NSN for 045275?
045275 is cataloged in the U.S. Government catalog under NSN 5365-00-278-5294. 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.