The Ring,retaining, cataloged under National Stock Number 5325-01-058-3629, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-058-3629 |
| Primary Part Number | P21248-002-01 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Material Diameter | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.328 INCHES MAXIMUM IN |
| Inside Diameter | 0.228 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 632 |
| 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 |
|---|---|
| P21248-002-01 PRIMARY | Us Army Aviation and Missile Command (USA) |
| J771-48 PRIMARY | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc (USA) |
| Reference | Meaning |
|---|---|
| J771-48A | C/1 Advisory reference — outside the item-of-supply concept Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc |
NSN 5325-01-058-3629 is a Ring,retaining, manufactured by Us Army Aviation and Missile Command, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-058-3629 has 2 manufacturer part numbers on file: P21248-002-01 (Us Army Aviation and Missile Command), J771-48 (Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc).
Key specifications for P21248-002-01: Usage Design: EXTERNAL; Material Diameter: 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Material Document and Classification: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUND. 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.