The Ring,retaining, cataloged under National Stock Number 5325-01-007-9975, 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10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-007-9975 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 3.769 INCHES MINIMUM AND 3.799 INCHES MAXIMUM IN |
| Major Thickness | 0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Inside Diameter | 3.369 INCHES MINIMUM AND 3.409 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| Surface Treatment | CADMIUM |
| 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 |
|---|---|
| RR0362 | 5/1 Secondary reference U.S. Government activity |
| 5325PL2131111 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| M2742630185B | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-007-9975 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-007-9975: Material Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 3.769 INCHES MINIMUM AND 3.799 INCHES MAXIMUM IN. 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.