The Ring,retaining, cataloged under National Stock Number 5325-01-511-0591, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-511-0591 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Special Test Features | MATERIAL IS 4130 STEEL PER SAE-AMS-S-6758 CONDITION D4 |
| Material Document and Classification | MIL-S-6758, COND D4 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| 118602-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-511-0591 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-511-0591: Special Test Features: MATERIAL IS 4130 STEEL PER SAE-AMS-S-6758 CONDITION D4; Material Document and Classification: MIL-S-6758, COND D4 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: USED ON TUBE TO LIMIT TRAVEL; Part Name Assigned by Controlling Agency: STOP,THRUST,POSITIONING, OR RING,STOP. 3 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.