The Ring,retaining, cataloged under National Stock Number 5325-01-097-9197, 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12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-097-9197 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 39.8 ROCKWELL C MINIMUM AND 48.5 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-S-766, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 4.756 INCHES MINIMUM AND 4.806 INCHES MAXIMUM IN |
| Major Thickness | 0.061 INCHES NOMINAL IN |
| Inside Diameter | 4.286 INCHES MINIMUM AND 4.326 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 302 |
| 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-27426C | 4/1 Identification reference U.S. Government activity |
| MIL-DTL-27426 | 5/9 Secondary reference U.S. Government activity |
| RS-450-S | 5/9 Secondary reference U.S. Government activity |
| M2742610198D | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-097-9197 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5325-01-152-4713, 5325-01-175-4262, 5325-01-217-0301. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-01-097-9197: Material Hardness Rating: 39.8 ROCKWELL C MINIMUM AND 48.5 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-S-766, CLASS 302 FED SPEC 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.