The Ring,retaining, cataloged under National Stock Number 5325-01-081-4907, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-081-4907 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Diameter | 0.219 INCHES NOMINAL IN |
| Material Document and Classification | SAE 1095 ASSN STD 1ST MATERIAL RESPONSE AND SAE 4130 ASSN STD 2ND MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 5.120 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | DOUBLE LEG OFFSET |
| Surface Treatment | CADMIUM |
| Material | STEEL COMP 1095 OR 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 |
|---|---|
| ES1511 | 3/9 Design control — primary reference Product Development Group Inc |
| ES1511 | 5/9 Secondary reference Mechanical Equipment Sale Inc |
NSN 5325-01-081-4907 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-081-4907: Usage Design: INTERNAL; Material Diameter: 0.219 INCHES NOMINAL IN; Material Document and Classification: SAE 1095 ASSN STD 1ST MATERIAL RESPONSE AND SAE 4130 ASSN STD 2ND MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUND. 9 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.