The Ring,retaining, cataloged under National Stock Number 5325-00-170-9925, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Armstrong Precision Components Ltd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Armstrong Precision Components Ltd (CAGE K1012); Goodrich Actuation Systems Ltd (CAGE K0377) |
| Parameter | Value |
|---|---|
| NSN | 5325-00-170-9925 |
| Primary Part Number | 1300-3-4 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Armstrong Precision Components Ltd |
| 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 |
|---|---|
| 1300-3-4 PRIMARY | Armstrong Precision Components Ltd (GBR) |
| 798010C1024 | Goodrich Actuation Systems Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 798010C1024 | 5/9 Secondary reference Lucas Aerospace Ltd (electronic Systems & Equipment Div) |
NSN 5325-00-170-9925 is a Ring,retaining, manufactured by Armstrong Precision Components Ltd, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-170-9925 has 2 manufacturer part numbers on file: 1300-3-4 (Armstrong Precision Components Ltd), 798010C1024 (Goodrich Actuation Systems Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-157-9728. 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.