The Ring,retaining, cataloged under National Stock Number 5325-01-342-0528, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-342-0528 |
| Primary Part Number | 12591487 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Diameter | 0.0774 INCHES MINIMUM AND 0.0798 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A227 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.9148 INCHES MINIMUM AND 0.9296 INCHES MAXIMUM IN |
| Inside Diameter | 0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | OXIDE |
| Material | STEEL UNS K06501 |
| 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 |
|---|---|
| 12591487 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 5325-01-342-0528 is a Ring,retaining, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-342-0528 has 1 manufacturer part number on file: 12591487 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 12591487: Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Material Diameter: 0.0774 INCHES MINIMUM AND 0.0798 INCHES MAXIMUM IN; Material Document and Classification: ASTM A227 ASSN STD SINGLE MATERIAL RESPONSE. 11 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.