The Ring,retaining, cataloged under National Stock Number 5325-00-181-5148, 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10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-181-5148 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | VERTEX BELOW CENTER |
| Material Diameter | 0.049 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.848 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN |
| Inside Diameter | 0.760 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| 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 |
|---|---|
| 2130661-024C | 3/2 Design control — primary reference U.S. Government activity |
| 2130661-024C | 5/9 Secondary reference The Boeing Company |
NSN 5325-00-181-5148 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-181-5148: Usage Design: INTERNAL; End Style: VERTEX BELOW CENTER; Material Diameter: 0.049 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND. 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.