The Ring,retaining, cataloged under National Stock Number 5325-00-930-0273, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-930-0273 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | VERTEX CENTER OR ABOVE |
| Material Document and Classification | ACS-526 GR A 90940 MFR REF SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 3.315 INCHES MINIMUM AND 3.325 INCHES MAXIMUM IN |
| Major Thickness | 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Inside Diameter | 2.595 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN |
| Casehardening Indicator | CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL |
| 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 |
|---|---|
| 630503 | 5/9 Secondary reference U.S. Government activity |
| 0630503 | 3/2 Design control — primary reference U.S. Government activity |
| 0630503-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-930-0273 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-930-0273: Usage Design: INTERNAL; End Style: VERTEX CENTER OR ABOVE; Material Document and Classification: ACS-526 GR A 90940 MFR REF SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 10 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.