The Ring,retaining, cataloged under National Stock Number 5325-00-101-5903, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-101-5903 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Inside Diameter | 0.390 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Surface Treatment | CADMIUM AND CHROMATE AND PAINT |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 190930 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
| MS16624-5043-1 | 2/2 Government specification standardization U.S. Government activity |
| 190930 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-DTL-21248 | 4/1 Identification reference U.S. Government activity |
| 5100-43CM0 | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
NSN 5325-00-101-5903 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-101-5903: Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN; Inside Diameter: 0.390 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN. 8 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.