The Ring,retaining, cataloged under National Stock Number 5325-00-424-9657, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-424-9657 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Diameter | 0.040 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 3.094 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | CLOVER |
| 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 |
|---|---|
| 56-604 | 3/2 Design control — primary reference U.S. Government activity |
| 50-300011-45 | 5/9 Secondary reference Beechcraft Corporation Dba Textron Aviation |
NSN 5325-00-424-9657 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-206-9970, 7025-01-443-9065, 4820-01-642-3045. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-00-424-9657: Usage Design: INTERNAL; Material Diameter: 0.040 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND; Outside Diameter: 3.094 INCHES NOMINAL IN. 6 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.