The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-682-6757, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Columbus Mckinnon Corp Cm Chain Div. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-682-6757 |
| Primary Part Number | 3X851 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Columbus Mckinnon Corp Cm Chain Div |
| Status | ACTIVE |
| Width Across Flats | 1.130 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Height | 0.410 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 10 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR FLAT OR WASHER FACED |
| 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 |
|---|---|
| 3X851 PRIMARY | Columbus Mckinnon Corp Cm Chain Div (USA) |
| Reference | Meaning |
|---|---|
| 4266543 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5310-01-682-6757 is a Nut,plain,hexagon, manufactured by Columbus Mckinnon Corp Cm Chain Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-682-6757 has 1 manufacturer part number on file: 3X851 (Columbus Mckinnon Corp Cm Chain Div).
Key specifications for 3X851: Width Across Flats: 1.130 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.750 INCHES IN. 11 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.