The Ring,retaining, cataloged under National Stock Number 5325-01-662-4740, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-662-4740 |
| Primary Part Number | 7-511315491-001 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Ring Style | INTERNAL |
| Surface Treatment | CADMIUM |
| 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 |
|---|---|
| 7-511315491-001 PRIMARY | The Boeing Company (USA) |
NSN 5325-01-662-4740 is a Ring,retaining, manufactured by The Boeing Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-662-4740 has 1 manufacturer part number on file: 7-511315491-001 (The Boeing Company).
Key specifications for 7-511315491-001: Usage Design: INTERNAL; Ring Style: INTERNAL; Special Features: WHEN COMPRESSED TO FIT INTO A 5.750 INCH BORE, GAP MUST BE MORE THAN .875 INCHES AND RING MUST CLEAR A SHAFT DIAMETER OF 5.070 INCHES. IN; Surface Treatment: CADMIUM. 4 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.