The Ring,retaining, cataloged under National Stock Number 5325-00-252-4687, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-252-4687 |
| Primary Part Number | 108278-404 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.010 INCHES NOMINAL IN |
| Inside Diameter | 0.050 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | E |
| Surface Treatment | OXIDE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 108278-404 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| X5133-6-2C | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| X5133-6-2C | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
NSN 5325-00-252-4687 is a Ring,retaining, manufactured by Raytheon Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-252-4687 has 1 manufacturer part number on file: 108278-404 (Raytheon Company).
Key specifications for 108278-404: Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.010 INCHES NOMINAL IN; Inside Diameter: 0.050 INCHES NOMINAL IN. 8 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.