The Ring,retaining, cataloged under National Stock Number 5325-01-157-6889, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5325-01-157-6889 |
| Primary Part Number | 994 9305 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.68 MILLIMETERS MINIMUM AND 0.72 MILLIMETERS MAXIMUM MM |
| Inside Diameter | 6.0 MILLIMETERS NOMINAL MM |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | E |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5325-01-157-6889 is a Ring,retaining, manufactured by Hiab Usa Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-157-6889 has 2 manufacturer part numbers on file: 4HC304 (Oshkosh Defense Llc), 994 9305 (Hiab Usa Inc).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-295-8634. Verify interchangeability with system specifications before substitution.
Key specifications for 994 9305: Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.68 MILLIMETERS MINIMUM AND 0.72 MILLIMETERS MAXIMUM MM; Inside Diameter: 6.0 MILLIMETERS NOMINAL MM. 6 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.