The Ring,retaining, cataloged under National Stock Number 5325-01-273-5214, 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11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-273-5214 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 3.540 INCHES NOMINAL IN |
| Specification/standard Data | 76301-9-857 MANUFACTURERS STANDARD AND 81349-MIL-R-27426 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | A TYPE AND 2 CLASS |
| Major Thickness | 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Inside Diameter | 3.134 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Surface Treatment | CADMIUM AND CHROMATE |
| 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 |
|---|---|
| MIL-DTL-27426 | 4/1 Identification reference U.S. Government activity |
| M2742620152B | 2/2 Government specification standardization U.S. Government activity |
| D-RST334CD-M9 | 5/1 Secondary reference U.S. Government activity |
| 9M857-334 | 5/1 Secondary reference The Boeing Company Div Defense |
NSN 5325-01-273-5214 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-273-5214: Usage Design: EXTERNAL; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 3.540 INCHES NOMINAL IN; Specification/standard Data: 76301-9-857 MANUFACTURERS STANDARD AND 81349-MIL-R-27426 GOVERNMENT SPECIFICATION. 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.