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3549181 — INSERT,FLEXIBLE COUPLING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3549181: INSERT,FLEXIBLE COUPLING.

The INSERT,FLEXIBLE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL, end_item_identification: SPACER COUPLING,HOLSET,MODEL 825.5. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-351-8316, 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
3549181
NSN: 3010-01-351-8316
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 0RTM2 — HOLSET ENGINEERING CO INC SUB OF CUMMINS ENGINE CO (USA)
SPECIFICATIONS
materialSTEEL
end_item_identificationSPACER COUPLING,HOLSET,MODEL 825.5
NSN3010-01-351-8316
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,FLEXIBLE COUPLING TITLE COMPONENT PN 3549181 MFR INSERT,FLEXIBLE COUPLI
KEY FEATURES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONSPACER COUPLING,HOLSET,MODEL 825.5
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
3556774/08/404Reference document
Same NSN cross-reference
Reference document — Secondary reference
3574496/07/404 ITEM 21Same 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 3549181?
3549181 is a INSERT,FLEXIBLE COUPLING.
What parts can replace 3549181?
There are 2 known substitutes for 3549181: 3556774/08/404, 3574496/07/404 ITEM 21. Substitute compatibility should be verified for your specific system.
What is the NSN for 3549181?
3549181 is cataloged in the U.S. Government catalog under NSN 3010-01-351-8316. 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.