The Ring,retaining, cataloged under National Stock Number 5325-01-643-0641, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Nahi Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-643-0641 |
| Primary Part Number | 917 211 1800 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Nahi Llc |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Ring Style | INTERNAL |
| Material | STEEL |
| 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 |
|---|---|
| 917 211 1800 PRIMARY | Nahi Llc (USA) |
| LIST 002260 ITEM 95 | Nahi Llc (USA) |
| 917 211 1800 | Black Bruin Oy (FIN) |
NSN 5325-01-643-0641 is a Ring,retaining, manufactured by Nahi Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-643-0641 has 3 manufacturer part numbers on file: 917 211 1800 (Nahi Llc), LIST 002260 ITEM 95 (Nahi Llc), 917 211 1800 (Black Bruin Oy).
Key specifications for 917 211 1800: Usage Design: INTERNAL; Ring Style: INTERNAL; Part Name Assigned by Controlling Agency: RETAINING RING; End Item Identification: 4320-01-642-5008. 3 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.