The Nut,plain,wing, cataloged under National Stock Number 5310-00-535-7740, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 15 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 | 5310-00-535-7740 |
| Primary Part Number | 7666059 |
| Item Name | Nut,plain,wing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Body Diameter | 0.906 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 194 FINISH NO.19.01 MIL STD SINGLE TREATMENT RESPONSE AND 194 FINISH NO.20.24 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.360 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Counterbore Diameter | 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM NUT IN |
| Surface Treatment | PAINT AND ENAMEL OVERALL |
| Nut Style | WING |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | COPPER ALLOY OVERALL |
| Fabrication Method | CAST |
| Wing Spread Width | 1.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7666059 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5310-00-535-7740 is a Nut,plain,wing, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-535-7740 has 1 manufacturer part number on file: 7666059 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7666059: Body Diameter: 0.906 INCHES NOMINAL IN; Overall Height: 0.719 INCHES NOMINAL IN; Surface Treatment Document and Classification: 194 FINISH NO.19.01 MIL STD SINGLE TREATMENT RESPONSE AND 194 FINISH NO.20.24 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC). 15 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.