The Ring,retaining, cataloged under National Stock Number 5325-01-674-4388, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-674-4388 |
| Primary Part Number | 90905A653 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Material Diameter | 0.14 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.82 INCHES NOMINAL IN |
| Inside Diameter | 0.68 INCHES NOMINAL IN |
| Ring Style | SPIRAL |
| Material | STEEL |
| 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 |
|---|---|
| 90905A653 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 3874085 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5325-01-674-4388 is a Ring,retaining, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-674-4388 has 1 manufacturer part number on file: 90905A653 (Mcmaster-Carr Supply Co).
Key specifications for 90905A653: Material Diameter: 0.14 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.82 INCHES NOMINAL IN; Inside Diameter: 0.68 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.