The Ring,retaining, cataloged under National Stock Number 5325-00-159-2375, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-00-159-2375 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Minor Thickness | 0.093 INCHES MINIMUM IN |
| Material Document and Classification | QQ-S-633, AMEND 2, COMPOSITION FS 1074 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 2.800 INCHES MINIMUM AND 2.810 INCHES MAXIMUM IN |
| Major Thickness | 0.0994 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL |
| Surface Treatment | PHOSPHATE |
| Material | STEEL COMP 1074 |
| 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 |
|---|---|
| 299684PC3 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5325-00-159-2375 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-159-2375: Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Minor Thickness: 0.093 INCHES MINIMUM IN; Material Document and Classification: QQ-S-633, AMEND 2, COMPOSITION FS 1074 FED SPEC SINGLE MATERIAL RESPONSE. 11 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.