The Ring,retaining, cataloged under National Stock Number 5325-01-220-7593, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ashland Inc. Dba Ashland Water Technologies. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Ashland Inc. Dba Ashland Water Technologies (CAGE 52454) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-220-7593 |
| Primary Part Number | 55429A-050 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ashland Inc. Dba Ashland Water Technologies |
| 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 |
|---|---|
| 55429A-050 PRIMARY | Ashland Inc. Dba Ashland Water Technologies (USA) |
| 861014 | Ashland Inc. Dba Ashland Water Technologies (USA) |
| Reference | Meaning |
|---|---|
| 55693 ITEM 15 | 5/2 Secondary reference U.S. Government activity |
| A-55429 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4810-55429-A05 | 5/9 Secondary reference Ashland Inc. Dba Ashland Water Technologies |
| 55429A-050 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-220-7593 is a Ring,retaining, manufactured by Ashland Inc. Dba Ashland Water Technologies, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-220-7593 has 2 manufacturer part numbers on file: 55429A-050 (Ashland Inc. Dba Ashland Water Technologies), 861014 (Ashland Inc. Dba Ashland Water Technologies).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-425-8718. 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.