The Ring,retaining, cataloged under National Stock Number 5325-00-263-5913, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-263-5913 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Strength Rating | ERR-060 |
| Material Document and Classification | FED STD NO. 66,AISI 1070 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.278 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN |
| Major Thickness | 0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| Inside Diameter | 0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | CADMIUM |
| Material | STEEL COMP 1070 |
| 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 |
|---|---|
| 327B495P9 | 5/9 Secondary reference General Electric Company |
| XSC115CADMIUMPLATEDPERAMS2400 | 5/9 Secondary reference Mellowes Co Div of Charter Mfg Co Inc |
| 327B495P9 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5325-00-263-5913 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-263-5913: Material Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Strength Rating: ERR-060. 13 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.