The Ring,lock,serrated, cataloged under National Stock Number 5365-00-451-6516, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-451-6516 |
| Item Name | Ring,lock,serrated |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Material Document and Classification | AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE |
| Overall Outside Diameter | 0.763 INCHES MINIMUM AND 0.772 INCHES MAXIMUM IN |
| Inner Serration Quantity | 26 |
| Pilot Diameter | 0.702 INCHES NOMINAL IN |
| Inside Diameter | 0.571 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Side Outer Serrations Omitted for Close Edge Installation | TWO SIDES |
| Surface Treatment | PASSIVATE |
| Material | IRON ALLOY 660 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| RLRR47SU10 | 5/9 Secondary reference U.S. Government activity |
| AA59558-208 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| MS51990E109P | 2/2 Government specification standardization U.S. Government activity |
| 5365PL2228907 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| A-A-59558 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 5365-00-451-6516 is a Ring,lock,serrated, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 5365-00-543-6932, 5365-00-762-1908, 5365-01-012-7597. Verify interchangeability with system specifications before substitution.
Key specifications for 5365-00-451-6516: Overall Height: 0.161 INCHES NOMINAL IN; Material Document and Classification: AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE; Overall Outside Diameter: 0.763 INCHES MINIMUM AND 0.772 INCHES MAXIMUM IN; Inner Serration Quantity: 26. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.