The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-384-2536, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-384-2536 |
| Primary Part Number | 40X1075 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Width Across Flats | 15.0 MILLIMETERS NOMINAL MM |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Height | 6.8 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC OVERALL |
| Inside Width Across Flats | 13.0 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| Thread Class | 6H |
| Thread Quantity Per Inch | 8 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| N40X1075 | Meritor Industrial Products, Llc (USA) |
| 40X1075 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| N40X1075 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| 7HB340 | 5/9 Secondary reference Oshkosh Corp |
| 7HB340 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5310-01-384-2536 is a Nut,plain,hexagon, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-384-2536 has 2 manufacturer part numbers on file: N40X1075 (Meritor Industrial Products, Llc), 40X1075 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 40X1075: Width Across Flats: 15.0 MILLIMETERS NOMINAL MM; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.250 INCHES IN. 12 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.