The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-183-6331, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-183-6331 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 1.125 INCHES NOMINAL IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION B |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Height | 0.250 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.060 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL EXCEPT THREADS |
| Countersink Angle | 100.0 DEGREES NOMINAL NUT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4340 OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Hole Type and Quantity | 3 DRILLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 14-41677-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 14-41677-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 5310-00-183-6331 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-183-6331: Width Across Flats: 1.125 INCHES NOMINAL IN; Bearing Surface Finish: 125.0 MICROINCHES; Thread Series: UNF; Hole Configuration Style: CONFIGURATION B. 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.