The Ring,retaining, cataloged under National Stock Number 5325-01-276-8504, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is David Brown Hydraulics Inc Dba Hydreco. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares 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) |
| Manufacturers | David Brown Hydraulics Inc Dba Hydreco (CAGE 0E9N0) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-276-8504 |
| Primary Part Number | A515-22 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | David Brown Hydraulics Inc Dba Hydreco |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| A515-22 PRIMARY | David Brown Hydraulics Inc Dba Hydreco (USA) |
NSN 5325-01-276-8504 is a Ring,retaining, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-276-8504 has 1 manufacturer part number on file: A515-22 (David Brown Hydraulics Inc Dba Hydreco).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-280-2225. 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.