The Ring,retaining, cataloged under National Stock Number 5325-01-221-3222, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-221-3222 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | VERTEX BELOW CENTER |
| Material Document and Classification | FED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1086 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 5TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED OUTSIDE CORNERS |
| Outside Diameter | 1.052 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN |
| Major Thickness | 0.0195 INCHES MINIMUM AND 0.0225 INCHES MAXIMUM IN |
| Inside Diameter | 0.922 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| Material | STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| 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 |
|---|---|
| UR-100 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-221-3222 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-221-3222: Usage Design: INTERNAL; End Style: VERTEX BELOW CENTER; Material Document and Classification: FED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1086 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 5TH MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUNDED OUTSIDE CORNERS. 10 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.