The Ring,retaining, cataloged under National Stock Number 5325-01-155-6699, 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12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-155-6699 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Surface Treatment Document and Classification | DOD-P-16232,TYPE Z,CLASS 2 DEF STAN/SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | MIL-S-46049 MIL SPEC ALL MATERIAL RESPONSES OR AISI 1065 OR 1074 OR 1085 OR 1095 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 4.930 INCHES MINIMUM AND 4.965 INCHES MAXIMUM IN |
| Major Thickness | 0.068 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN |
| Inside Diameter | 4.430 INCHES MINIMUM AND 4.465 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| Surface Treatment | PHOSPHATE ZINC |
| Material | STEEL COMP 1065 OR STEEL COMP 1074 OR STEEL COMP 1085 OR STEEL COMP 1095 |
| 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 |
|---|---|
| MIL-DTL-27426 | 4/1 Identification reference U.S. Government activity |
| RR-475L | 5/1 Secondary reference U.S. Government activity |
| M2742630207C | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-155-6699 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-155-6699: Material Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Surface Treatment Document and Classification: DOD-P-16232,TYPE Z,CLASS 2 DEF STAN/SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: MIL-S-46049 MIL SPEC ALL MATERIAL RESPONSES OR AISI 1065 OR 1074 OR 1085 OR 1095 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.