The Ring,retaining, cataloged under National Stock Number 5325-01-133-4681, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-133-4681 |
| 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 |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Inside Diameter | 1.968 INCHES MINIMUM AND 2.008 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL INVERTED LUGS |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| MS16626-4212 | 2/2 Government specification standardization U.S. Government activity |
| 5108-215-H | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| 4100-215-SS2 | 5/9 Secondary reference U.S. Government activity |
| 5108-215-H | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
NSN 5325-01-133-4681 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-133-4681: Usage Design: EXTERNAL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN. 9 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.