The Ring,retaining, cataloged under National Stock Number 5325-01-197-0992, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Dover Resources, Inc. Div Norriseal. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Dover Resources, Inc. Div Norriseal (CAGE 1NB39) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-197-0992 |
| Primary Part Number | 325-056 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Dover Resources, Inc. Div Norriseal |
| 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 |
|---|---|
| 900-085 PART 325-056 | Dover Resources, Inc. Div Norriseal (USA) |
| 325-056 PRIMARY | Dover Resources, Inc. Div Norriseal (USA) |
| Reference | Meaning |
|---|---|
| 325-056 | 5/9 Secondary reference U.S. Government activity |
| 900-085 PART 325-056 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-197-0992 is a Ring,retaining, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-197-0992 has 2 manufacturer part numbers on file: 900-085 PART 325-056 (Dover Resources, Inc. Div Norriseal), 325-056 (Dover Resources, Inc. Div Norriseal).
1 possible match (shared part number, not a government interchangeability claim): 9390-01-365-8233. 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.