The Ring,retaining, cataloged under National Stock Number 5325-01-646-6970, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Shinn Fu Company of America, Inc.. 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.
| Parameter | Value |
|---|---|
| NSN | 5325-01-646-6970 |
| Primary Part Number | 220018 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Shinn Fu Company of America, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 220018 PRIMARY | Shinn Fu Company of America, Inc. (USA) |
NSN 5325-01-646-6970 is a Ring,retaining, manufactured by Shinn Fu Company of America, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-646-6970 has 1 manufacturer part number on file: 220018 (Shinn Fu Company of America, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-686-6250. Verify interchangeability with system specifications before substitution.
Key specifications for 220018: Special Features: SADDLE; Part Name Assigned by Controlling Agency: RING,RETAINING; End Item Identification: HW93718. 0 specifications are documented in the U.S. Government catalog.
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.