The Ring,retaining, cataloged under National Stock Number 5325-01-703-3694, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-703-3694 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| Surface Treatment Document and Classification | ASTMB633,TYP II, CL FE/ZN5 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OR ASTMB695,TYP II, CL 5 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES |
| End Style | 90 DEGREE PARALLEL |
| Material Document and Classification | ASTM A568/A568M AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ALL MATERIAL RESPONSES OR ASTM A684/A684M AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ALL MATERIAL RESPONSES |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.095 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN |
| Gap Opening | OPENING 90 DEGREES OR MORE |
| Specification/standard Data | 81349-MIL-R-21248 GOVERNMENT SPECIFICATION |
| Major Thickness | 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN |
| Inside Diameter | 0.800 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL INVERTED LUGS |
| Surface Treatment | ZINC |
| Material | STEEL COMP 1060 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 |
|---|---|
| MS16626C | 4/1 Identification reference U.S. Government activity |
| MS16626-2087 | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-703-3694 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5325-01-703-3732, 5325-01-703-3742. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-01-703-3694: Material Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; Surface Treatment Document and Classification: ASTMB633,TYP II, CL FE/ZN5 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OR ASTMB695,TYP II, CL 5 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES; End Style: 90 DEGREE PARALLEL. 15 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.