The Ring,lock,serrated, cataloged under National Stock Number 5365-01-032-7233, 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8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5365-01-032-7233 |
| Item Name | Ring,lock,serrated |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Overall Outside Diameter | 0.269 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| Inner Serration Quantity | 14 |
| Pilot Diameter | 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| Inside Diameter | 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Side Outer Serrations Omitted for Close Edge Installation | TWO SIDES |
| Surface Treatment | CADMIUM AND CHROMATE |
| Outer Serration Quantity | 20 |
| Material | STEEL COMP 1117 |
| 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 |
|---|---|
| A-A-59558 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| RLRR16SB5 | 5/2 Secondary reference U.S. Government activity |
| MS51990-102P | 5/9 Secondary reference U.S. Government activity |
| AA59558-101 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| RLRR16SB5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-01-032-7233 is a Ring,lock,serrated, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-040-5223, 5365-01-047-8596. Verify interchangeability with system specifications before substitution.
Key specifications for 5365-01-032-7233: Overall Height: 0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN; Overall Outside Diameter: 0.269 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN; Inner Serration Quantity: 14; Pilot Diameter: 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN. 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.