The Ring,retaining, cataloged under National Stock Number 5325-01-591-1266, 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8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-591-1266 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 3.122 INCHES NOMINAL IN |
| Major Thickness | 0.061 INCHES NOMINAL IN |
| Inside Diameter | 3.000 INCHES NOMINAL IN |
| Ring Style | SPIRAL |
| 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 |
|---|---|
| M27426/3-0172B | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-27426/3 | 4/1 Identification reference U.S. Government activity |
NSN 5325-01-591-1266 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-591-1266: Usage Design: INTERNAL; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 3.122 INCHES NOMINAL IN; Major Thickness: 0.061 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.