The Ring,retaining, cataloged under National Stock Number 5325-01-131-3366, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-131-3366 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Surface Treatment Document and Classification | PS13201 TYPE 2 CLASS 1 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE |
| End Style | 90 DEGREE PARALLEL |
| Material Diameter | 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-430 ALLOY 2117 TEMPER H15 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-430 ALLOY 5056 TEMPER H32 FED SPEC 2ND MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 10.540 INCHES MINIMUM AND 10.740 INCHES MAXIMUM IN |
| Inside Diameter | 10.348 INCHES MINIMUM AND 10.556 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 2117 OR ALUMINUM ALLOY 5056 |
| 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 |
|---|---|
| 3781155-101 | 3/2 Design control — primary reference U.S. Government activity |
| 3781155-101 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-131-3366 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-131-3366: Usage Design: EXTERNAL; Surface Treatment Document and Classification: PS13201 TYPE 2 CLASS 1 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE; End Style: 90 DEGREE PARALLEL; Material Diameter: 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN. 12 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.