The Ring,lock,serrated, cataloged under National Stock Number 5365-01-047-8596, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-047-8596 |
| Item Name | Ring,lock,serrated |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Overall Outside Diameter | 0.350 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Inner Serration Quantity | 13 |
| Pilot Diameter | 0.298 INCHES NOMINAL IN |
| Inside Diameter | 0.210 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN |
| Side Outer Serrations Omitted for Close Edge Installation | TWO SIDES |
| Surface Treatment | CADMIUM AND CHROMATE |
| 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 |
|---|---|
| MS51990-104 | 2/2 Government specification standardization U.S. Government activity |
| MIL-I-45910 | 5/9 Secondary reference U.S. Government activity |
| A-A-59558-1-03 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| A-A-59558 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| MS51990-104P | 4/1 Identification reference U.S. Government activity |
NSN 5365-01-047-8596 is a Ring,lock,serrated, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
Key specifications for 5365-01-047-8596: Overall Height: 0.990 INCHES NOMINAL IN; Overall Outside Diameter: 0.350 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN; Inner Serration Quantity: 13; Pilot Diameter: 0.298 INCHES NOMINAL IN. 7 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.