The Ring,retaining, cataloged under National Stock Number 5325-01-536-4529, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-536-4529 |
| Primary Part Number | 91065A720 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.312 INCHES NOMINAL IN |
| Major Thickness | 0.012 INCHES NOMINAL IN |
| Inside Diameter | 0.166 INCHES NOMINAL IN |
| Ring Style | SPIRAL ROUND |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 91065A720 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| 001-001497-000 | Insitu, Inc. (USA) |
NSN 5325-01-536-4529 is a Ring,retaining, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-536-4529 has 2 manufacturer part numbers on file: 91065A720 (Mcmaster-Carr Supply Co), 001-001497-000 (Insitu, Inc.).
Key specifications for 91065A720: Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 0.312 INCHES NOMINAL IN; Major Thickness: 0.012 INCHES NOMINAL IN; Inside Diameter: 0.166 INCHES NOMINAL IN. 6 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.