The Ring,retaining, cataloged under National Stock Number 5325-01-288-1160, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Level 10 Industries, Inc. Div Level 10 Industries. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Level 10 Industries, Inc. Div Level 10 Industries (CAGE 7ZL65) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-288-1160 |
| Primary Part Number | 500640 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Level 10 Industries, Inc. Div Level 10 Industries |
| 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 |
|---|---|
| 500640 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| Reference | Meaning |
|---|---|
| 500640 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
NSN 5325-01-288-1160 is a Ring,retaining, manufactured by Level 10 Industries, Inc. Div Level 10 Industries, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-288-1160 has 1 manufacturer part number on file: 500640 (Level 10 Industries, Inc. Div Level 10 Industries).
1 possible match (shared part number, not a government interchangeability claim): 1005-01-628-2892. 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.