The Ring,retaining, cataloged under National Stock Number 5325-01-121-5401, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,retaining |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-121-5401 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 101562 | 3/9 Design control — primary reference Lucas Cav |
NSN 5325-01-121-5401 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-275-4127, 5340-01-606-5964. Verify interchangeability with system specifications before substitution.
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.