The Ring,retaining, cataloged under National Stock Number 5325-00-935-3787, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-935-3787 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| Usage Design | EXTERNAL |
| Material Document and Classification | FED STD NO. 66,AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| End Play Takeup | 0.020 INCHES MAXIMUM IN |
| Major Thickness | 0.042 INCHES NOMINAL IN |
| Inside Diameter | 0.712 INCHES MINIMUM AND 0.727 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL BOWED |
| Surface Treatment | CADMIUM AND CHROMATE |
| 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 |
|---|---|
| 5101-78-S-MD | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| 5101-78MD | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| MS16628-1078 | 2/2 Government specification standardization U.S. Government activity |
| R273NAA0078NN056NNPF1 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| 3101-78-ST-CD | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| 3101-78-ST-CD | 5/9 Secondary reference U.S. Government activity |
| 411212-24 | 5/1 Secondary reference U.S. Government activity |
| 5101-78-S-MD | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 5101-78MD | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
NSN 5325-00-935-3787 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-935-3787: Material Hardness Rating: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM; Usage Design: EXTERNAL; Material Document and Classification: FED STD NO. 66,AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 11 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.