The Ring,retaining, cataloged under National Stock Number 5325-01-588-2605, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Hii Unmanned Systems, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-588-2605 |
| Primary Part Number | 21-012 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Hii Unmanned Systems, Inc |
| Status | ACTIVE |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5325-01-588-2605 is a Ring,retaining, manufactured by Hii Unmanned Systems, Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-588-2605 has 2 manufacturer part numbers on file: 21-012 (Hii Unmanned Systems, Inc), 21-012 (J. Bornhoft Industriegerate Gesellschaft Mit Beschrankter Haftung).
Key specifications for 21-012: Inside Diameter: 0.375 INCHES NOMINAL IN; End Item Identification: AUV (AUTONOMOUS UNDERWATER VEHICLE). 1 specification is 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.