The Ring,retaining, cataloged under National Stock Number 5325-00-252-7771, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-252-7771 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | SAE 1080 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 1.249 INCHES MINIMUM AND 1.259 INCHES MAXIMUM IN |
| Major Thickness | 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN |
| Inside Diameter | 1.079 INCHES MINIMUM AND 1.089 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| 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 |
|---|---|
| AC3001-18 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
| CL28A3005-32 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 05-425702 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
| CL28A3005-32 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| RR118C | 3/2 Design control — primary reference U.S. Government activity |
| AC3001-18 | C/1 Advisory reference — outside the item-of-supply concept Safran Power Usa Llc |
| 05-425702 | C/1 Advisory reference — outside the item-of-supply concept Safran Power Usa Llc |
NSN 5325-00-252-7771 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-252-7771: Material Hardness Rating: 65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM; Usage Design: INTERNAL; Strength Rating: ERR-060; Material Document and Classification: SAE 1080 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE. 12 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.