The Ring,retaining, cataloged under National Stock Number 5325-01-482-0425, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-482-0425 |
| Primary Part Number | 7052643-2 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 2.920 INCHES MINIMUM AND 2.945 INCHES MAXIMUM IN |
| Major Thickness | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Inside Diameter | 2.604 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL STEPPED |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 7052643-2 PRIMARY | Naval Sea Systems Command (USA) |
| VH-281-PA-S02 | Smalley Steel Ring Co. (USA) |
| Reference | Meaning |
|---|---|
| UR-281SP | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-482-0425 is a Ring,retaining, manufactured by Naval Sea Systems Command, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-482-0425 has 2 manufacturer part numbers on file: 7052643-2 (Naval Sea Systems Command), VH-281-PA-S02 (Smalley Steel Ring Co.).
Key specifications for 7052643-2: Usage Design: INTERNAL; Strength Rating: ERR-060; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 2.920 INCHES MINIMUM AND 2.945 INCHES MAXIMUM IN. 10 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.