The Ring,retaining, cataloged under National Stock Number 5325-01-669-8281, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-669-8281 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633, TY II, CL FE/ZN5 NATIONAL SPEC SINGLE TREATMENT RESPONSE OR ASTM B695 TY II, CL 5 NATIONAL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | ASTM A568/A568M NATIONAL SPEC SINGLE MATERIAL RESPONSE OR ASTM A684/A684M NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.025 INCHES NOMINAL IN |
| Inside Diameter | 0.323 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| Ring Style | C |
| Surface Treatment | ZINC |
| Material | STEEL COMP 1060 OR STEEL COMP 1095 |
| 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 |
|---|---|
| MS16632-2037 | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-669-8281 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-669-8281: Surface Treatment Document and Classification: ASTM B633, TY II, CL FE/ZN5 NATIONAL SPEC SINGLE TREATMENT RESPONSE OR ASTM B695 TY II, CL 5 NATIONAL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: ASTM A568/A568M NATIONAL SPEC SINGLE MATERIAL RESPONSE OR ASTM A684/A684M NATIONAL SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.025 INCHES NOMINAL 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.