The Nut,plain,round, cataloged under National Stock Number 5310-00-587-8394, 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 16 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 | 5310-00-587-8394 |
| Primary Part Number | 7267039 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Thread Series | UNS |
| Hardness Rating | 71.5 ROCKWELL A MINIMUM AND 73.1 ROCKWELL A MAXIMUM |
| Thread Pitch Diameters | +0.5747 TO 0.5782 INCHES IN |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.594 INCHES IN |
| Nut Diameter | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Drive Point Depth | 0.078 INCHES NOMINAL IN |
| Nut Thickness | 0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Countersink Angle | 120.0 DEGREES NOMINAL NUT |
| Drive Point Quantity | 8 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 8640 OVERALL |
| 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 |
|---|---|
| 7267039 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5310-00-587-8394 is a Nut,plain,round, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-587-8394 has 1 manufacturer part number on file: 7267039 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7267039: Thread Series: UNS; Hardness Rating: 71.5 ROCKWELL A MINIMUM AND 73.1 ROCKWELL A MAXIMUM; Thread Pitch Diameters: +0.5747 TO 0.5782 INCHES IN; Material Document and Classification: ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 16 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.