The Ring,retaining, cataloged under National Stock Number 5325-01-658-2979, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Sig Sauer Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Sig Sauer Inc. (CAGE 6ZWB1); Ian Edgar (liverpool) Ltd, T/a Edgar Brothers (CAGE KCNE3); Aquaterro (CAGE Z7Y24) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-658-2979 |
| Primary Part Number | 2400569 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Sig Sauer Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2400569 PRIMARY | Sig Sauer Inc. (USA) |
| 2400569 | Ian Edgar (liverpool) Ltd, T/a Edgar Brothers (GBR) |
| 2400569-R | Aquaterro (AUS) |
| Reference | Meaning |
|---|---|
| 5325PL2093769 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2400569-R | C/1 Advisory reference — outside the item-of-supply concept Sig Sauer Inc. |
| CM-48SJ-SP1 | 5/9 Secondary reference Rotor Clip Company, Inc. |
NSN 5325-01-658-2979 is a Ring,retaining, manufactured by Sig Sauer Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-658-2979 has 3 manufacturer part numbers on file: 2400569 (Sig Sauer Inc.), 2400569 (Ian Edgar (liverpool) Ltd, T/a Edgar Brothers), 2400569-R (Aquaterro).
1 possible match (shared part number, not a government interchangeability claim): 1005-01-713-6061. 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.
NSN 5325-01-658-2979 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.