The Ring,retaining, cataloged under National Stock Number 5325-01-250-1670, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rtronics Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-250-1670 |
| Primary Part Number | 85090307 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rtronics Inc |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Outside Diameter | 1.313 INCHES NOMINAL IN |
| Inside Diameter | 1.157 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | OFFSET |
| Surface Treatment | ZINC AND CHROMATE |
| 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 |
|---|---|
| 85090307 PRIMARY | Rtronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 63-10-187-11 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-250-1670 is a Ring,retaining, manufactured by Rtronics Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-250-1670 has 1 manufacturer part number on file: 85090307 (Rtronics Inc).
Key specifications for 85090307: Usage Design: INTERNAL; Outside Diameter: 1.313 INCHES NOMINAL IN; Inside Diameter: 1.157 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 7 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.