The Ring,retaining, cataloged under National Stock Number 5325-00-282-4962, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-282-4962 |
| Primary Part Number | 691-419 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Material Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Strength Rating | ERR-060 |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 0.515 INCHES NOMINAL IN |
| Major Thickness | 0.055 INCHES NOMINAL IN |
| Inside Diameter | 0.405 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | ZINC |
| Material | STEEL |
| 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 |
|---|---|
| 691-419 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 502AS2469 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| XSC121 | 5/9 Secondary reference Mellowes Co Div of Charter Mfg Co Inc |
NSN 5325-00-282-4962 is a Ring,retaining, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-282-4962 has 2 manufacturer part numbers on file: 691-419 (Bae Systems Information and Electronic Systems Integration Inc.), 502AS2469 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-190-1944, 5950-01-421-0562. Verify interchangeability with system specifications before substitution.
Key specifications for 691-419: Material Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Strength Rating: ERR-060. 12 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.