The Ring,retaining, cataloged under National Stock Number 5325-01-186-1787, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-186-1787 |
| Primary Part Number | 240607 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Document and Classification | QQ-A-250/11, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 6.312 INCHES NOMINAL IN |
| Ring Style | INTERNAL |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 240607 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 5325-01-186-1787 is a Ring,retaining, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-186-1787 has 1 manufacturer part number on file: 240607 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 240607: Usage Design: INTERNAL; Material Document and Classification: QQ-A-250/11, T6 FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 6.312 INCHES NOMINAL IN; Ring Style: INTERNAL. 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.