The Ring,retaining, cataloged under National Stock Number 5325-01-607-4640, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-607-4640 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 167-6405730 FIND 29 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| M27426-2129D | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-607-4640 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-607-4640: Usage Design: EXTERNAL; Special Features: SHAFT SIZE TO ACCOMODATE IS 0.812 IN (NOM) IN; Part Name Assigned by Controlling Agency: RING, RETAINING, EXTERNAL, SPIRAL, HEAVY; End Item Identification: DOOR, BULKHEAD. 2 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.