The Ring,retaining, cataloged under National Stock Number 5325-01-144-3572, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-144-3572 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| End Style | VERTEX BELOW CENTER |
| Material Document and Classification | QQ-S-763, CLASS 302 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766, CLASS 302 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763, CLASS 304 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-766, CLASS 304, COND A FED SPEC 2ND MATERIAL RESPONSE OR ASTM A167, TYPE 302 OR 304 ASSN STD ALL MATERIAL RESPONSES |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.390 INCHES NOMINAL IN |
| Major Thickness | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Inside Diameter | 0.256 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 302 OR STEEL COMP 304 |
| 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 |
|---|---|
| MS3211-3-CR | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-144-3572 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-144-3572: Usage Design: EXTERNAL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; End Style: VERTEX BELOW CENTER; Material Document and Classification: QQ-S-763, CLASS 302 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766, CLASS 302 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763, CLASS 304 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-766, CLASS 304, COND A FED SPEC 2ND MATERIAL RESPONSE OR ASTM A167, TYPE 302 OR 304 ASSN STD ALL MATERIAL RESPONSES. 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.