The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-680-5251, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-680-5251 |
| Primary Part Number | 4466687002 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Width Across Flats | 29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM MM |
| Thread Series | M |
| Thread Pitch in Millimeters | 2.5 |
| Material Document and Classification | CL8 ISO-898-2 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 20.0 MILLIMETERS MM |
| Nut Height | 16.9 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM MM |
| Nut Style | HEXAGON |
| Thread Class | 6H |
| Material | STEEL OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| 4466687002 PRIMARY | Oshkosh Defense Llc (USA) |
| 9926101 | Hiab Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 4466687 | D/9 Drawing number reference only Oshkosh Defense Llc |
NSN 5310-01-680-5251 is a Nut,plain,hexagon, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-680-5251 has 2 manufacturer part numbers on file: 4466687002 (Oshkosh Defense Llc), 9926101 (Hiab Usa Inc).
Key specifications for 4466687002: Width Across Flats: 29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM MM; Thread Series: M; Thread Pitch in Millimeters: 2.5; Material Document and Classification: CL8 ISO-898-2 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.