The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-612-0110, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Merrill Technologies Group, Llc Dba Keel Midwest - Gratiot. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-612-0110 |
| Primary Part Number | MTM-10579 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Merrill Technologies Group, Llc Dba Keel Midwest - Gratiot |
| Status | ACTIVE |
| Width Across Flats | 0.63 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 0.28 ROCKWELL C NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.19 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Bearing Surface Type | 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 |
|---|---|
| MTM-10579 PRIMARY | Merrill Technologies Group, Llc Dba Keel Midwest - Gratiot (USA) |
NSN 5310-01-612-0110 is a Nut,plain,hexagon, manufactured by Merrill Technologies Group, Llc Dba Keel Midwest - Gratiot, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-612-0110 has 1 manufacturer part number on file: MTM-10579 (Merrill Technologies Group, Llc Dba Keel Midwest - Gratiot).
Key specifications for MTM-10579: Width Across Flats: 0.63 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 0.28 ROCKWELL C NOMINAL; Thread Direction: RIGHT-HAND. 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.