The Ring,retaining, cataloged under National Stock Number 5325-01-479-1883, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-479-1883 |
| Primary Part Number | 9HB19 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Material Hardness Rating | 40.00 ROCKWELL C NOMINAL |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Inside Diameter | 0.243 INCHES NOMINAL IN |
| Ring Style | E |
| Surface Treatment | ZINC |
| 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 |
|---|---|
| 9HB19 PRIMARY | Oshkosh Defense Llc (USA) |
| 78647-31J | Trico Products Corporation (USA) |
| Reference | Meaning |
|---|---|
| 78647-31J | 5/9 Secondary reference U.S. Government activity |
| C-2404 | 5/2 Secondary reference U.S. Government activity |
| 9HB19 | 3/9 Design control — primary reference Oshkosh Corp |
NSN 5325-01-479-1883 is a Ring,retaining, manufactured by Oshkosh Defense Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-479-1883 has 2 manufacturer part numbers on file: 9HB19 (Oshkosh Defense Llc), 78647-31J (Trico Products Corporation).
Key specifications for 9HB19: Material Hardness Rating: 40.00 ROCKWELL C NOMINAL; Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Inside Diameter: 0.243 INCHES NOMINAL IN. 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.