The Ring,retaining, cataloged under National Stock Number 5325-01-128-5300, 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9 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-128-5300 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| Strength Rating | ERR-060 |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Inside Diameter | 0.896 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Material | STEEL COMP 632 |
| 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 |
|---|---|
| 709-4684875 ITEM 24 | 5/1 Secondary reference U.S. Government activity |
| N5160-98H | C/1 Advisory reference — outside the item-of-supply concept Truarc Company Llc Dba Waldes Truarc |
| MS3217-4098 | 2/2 Government specification standardization U.S. Government activity |
| 5160-98-H | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 5160-98 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 87832-1604 ITEM 24 | 5/1 Secondary reference U.S. Government activity |
| 5160-98-H | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
NSN 5325-01-128-5300 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-128-5300: Material Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; Strength Rating: ERR-060; Cross-Sectional Shape Style: RECTANGULAR. 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.