The Ring,retaining, cataloged under National Stock Number 5325-01-084-8189, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Amec Foster Wheeler North America Corp. Dba Foster Wheeler. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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) |
| Manufacturers | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (CAGE 23230) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-084-8189 |
| Primary Part Number | NY-570-91 230 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| 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 |
|---|---|
| NY-570-91 230 PRIMARY | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| Reference | Meaning |
|---|---|
| 5000-306 | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| 5000-306 | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
NSN 5325-01-084-8189 is a Ring,retaining, manufactured by Amec Foster Wheeler North America Corp. Dba Foster Wheeler, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-084-8189 has 1 manufacturer part number on file: NY-570-91 230 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-246-5135, 5998-01-399-0207. 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.