The Ring,retaining, cataloged under National Stock Number 5325-01-278-2485, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rosenboom Machine and Tool Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Ring,retaining |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Rosenboom Machine and Tool Inc (CAGE 18108) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-278-2485 |
| Primary Part Number | 728 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rosenboom Machine and Tool Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 728 PRIMARY | Rosenboom Machine and Tool Inc (USA) |
NSN 5325-01-278-2485 is a Ring,retaining, manufactured by Rosenboom Machine and Tool Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-278-2485 has 1 manufacturer part number on file: 728 (Rosenboom Machine and Tool Inc).
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.