The Ring,lock,serrated, cataloged under National Stock Number 5365-01-032-0930, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-032-0930 |
| 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 | 0.412 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN |
| Inner Serration Quantity | 17 |
| Pilot Diameter | 0.361 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Inside Diameter | 0.263 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Side Outer Serrations Omitted for Close Edge Installation | TWO SIDES |
| Surface Treatment | PASSIVATE |
| Outer Serration Quantity | 10 |
| 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 | F |
| Reference | Meaning |
|---|---|
| RLRR1997C103 | 5/9 Secondary reference U.S. Government activity |
| MS51997 | 4/1 Identification reference U.S. Government activity |
| MS51997E103P | 2/2 Government specification standardization U.S. Government activity |
| RLRR1997E103P | 5/1 Secondary reference U.S. Government activity |
NSN 5365-01-032-0930 is a Ring,lock,serrated, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5365-01-133-5027. Verify interchangeability with system specifications before substitution.
Key specifications for 5365-01-032-0930: Overall Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Material Document and Classification: AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE; Overall Outside Diameter: 0.412 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN; Inner Serration Quantity: 17. 9 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.