The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-559-3952, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grainger Div of W W Grainger Inc. Government technical data includes 8 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.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Grainger Div of W W Grainger Inc (CAGE 0HWS0) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-559-3952 |
| Primary Part Number | 1WB46 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Grainger Div of W W Grainger Inc |
| Status | ACTIVE |
| Width Across Flats | 0.938 INCHES NOMINAL IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Nut Height | 0.547 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 1WB46 PRIMARY | Grainger Div of W W Grainger Inc (USA) |
NSN 5310-01-559-3952 is a Nut,plain,hexagon, manufactured by Grainger Div of W W Grainger Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-559-3952 has 1 manufacturer part number on file: 1WB46 (Grainger Div of W W Grainger Inc).
Key specifications for 1WB46: Width Across Flats: 0.938 INCHES NOMINAL IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.625 INCHES IN. 8 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.