The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-672-5190, 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 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-672-5190 |
| Primary Part Number | 0MN-312-M-1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Width Across Flats | 20.8 MILLIMETERS NOMINAL MM |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.75 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 12.0 MILLIMETERS MM |
| Nut Height | 10.8 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| Thread Class | 6H |
| 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 |
|---|---|
| 0MN-312-M-1 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4281537 | D/9 Drawing number reference only Oshkosh Defense Llc |
| MN-312-M-1 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| MN-312-M-I | 3/9 Design control — primary reference Meritor, Inc. |
NSN 5310-01-672-5190 is a Nut,plain,hexagon, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-672-5190 has 1 manufacturer part number on file: 0MN-312-M-1 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 0MN-312-M-1: Width Across Flats: 20.8 MILLIMETERS NOMINAL MM; Thread Series: M; Thread Pitch in Millimeters: 1.75; Thread Direction: RIGHT-HAND. 10 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.