The Ring,retaining, cataloged under National Stock Number 5325-01-072-3697, 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12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-072-3697 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Minor Thickness | 0.098 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A519 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | GROOVED INSIDE CORNER |
| Outside Diameter | 2.308 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN |
| Major Thickness | 0.197 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Inside Diameter | 1.990 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | CADMIUM |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| 5325PL0726051 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 088421-102 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-072-3697 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-151-5088. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-01-072-3697: Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Minor Thickness: 0.098 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN; Material Document and Classification: ASTM A519 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.