The Ring,retaining, cataloged under National Stock Number 5325-00-490-1919, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-490-1919 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Document and Classification | QQ-B-613,COMPOSITION,COPPER ALLOY NO. 268,TEMPER,HALF HARD FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.857 INCHES MINIMUM AND 1.859 INCHES MAXIMUM IN |
| Major Thickness | 0.008 INCHES NOMINAL IN |
| Inside Diameter | 1.691 INCHES MINIMUM AND 1.694 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | COPPER ALLOY 268 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 402224 | 3/9 Design control — primary reference Retek Corp |
NSN 5325-00-490-1919 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-490-1919: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Material Document and Classification: QQ-B-613,COMPOSITION,COPPER ALLOY NO. 268,TEMPER,HALF HARD FED SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 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.