The Ring,retaining, cataloged under National Stock Number 5325-01-305-2389, 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10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-305-2389 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | VERTEX CENTER OR ABOVE |
| Material Diameter | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.870 INCHES MINIMUM AND 1.930 INCHES MAXIMUM IN |
| Inside Diameter | 1.620 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL UNS K08500 |
| 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 |
|---|---|
| 4G13185-101A | 5/9 Secondary reference Mose Engineering and Manufacturing, Inc. |
| 4G13185-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-305-2389 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-305-2389: Usage Design: EXTERNAL; End Style: VERTEX CENTER OR ABOVE; Material Diameter: 0.125 INCHES NOMINAL IN; Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE. 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.