The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-254-6368, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-254-6368 |
| Primary Part Number | 401.034 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Width Across Flats | 14.0 MILLIMETERS MINIMUM AND 14.3 MILLIMETERS MAXIMUM MM |
| Thread Series | UNF |
| Hardness Rating | 32.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | SAEJ995,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 8.0 MILLIMETERS MINIMUM AND 8.6 MILLIMETERS MAXIMUM MM |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 401.034 PRIMARY | Oshkosh Defense Llc (USA) |
| 785.121 | Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA) |
| Reference | Meaning |
|---|---|
| 401.034 | 5/9 Secondary reference Oshkosh Corp |
| 9091104100 | 5/9 Secondary reference Isuzu Motor Co. Ltd |
NSN 5310-01-254-6368 is a Nut,plain,hexagon, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-254-6368 has 2 manufacturer part numbers on file: 401.034 (Oshkosh Defense Llc), 785.121 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-486-6858. Verify interchangeability with system specifications before substitution.
Key specifications for 401.034: Width Across Flats: 14.0 MILLIMETERS MINIMUM AND 14.3 MILLIMETERS MAXIMUM MM; Thread Series: UNF; Hardness Rating: 32.0 ROCKWELL C MAXIMUM; Material Document and Classification: SAEJ995,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.