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EF263-16 — RING,LOCK,SERRATED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

EF263-16: RING,LOCK,SERRATED.

The RING,LOCK,SERRATED is a the manufacturer industrial component. Key specifications include special_features: SERRATED, LOCK, end_item_identification: HELICOPTER EH101, part_name_assigned_by_controlling_agency: LOCK RING. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-581-1210, 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
EF263-16
NSN: 5365-01-581-1210
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: U7941 — LEONARDO UK LIMITED (AW/EH101) (GBR)
SPECIFICATIONS
special_featuresSERRATED, LOCK
end_item_identificationHELICOPTER EH101
part_name_assigned_by_controlling_agencyLOCK RING
NSN5365-01-581-1210
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,LOCK,SERRATED TITLE COMPONENT PN EF263-16 MFR RING,LOCK,SERRATED
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSERRATED, LOCK
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCK RING
END ITEM IDENTIFICATIONHELICOPTER EH101
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EF263-16?
EF263-16 is a RING,LOCK,SERRATED.
What is the NSN for EF263-16?
EF263-16 is cataloged in the U.S. Government catalog under NSN 5365-01-581-1210. 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.