The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-654-0243, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-654-0243 |
| Primary Part Number | 4174190005 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Width Across Flats | 0.547 MILLIMETERS MINIMUM AND 0.562 MILLIMETERS MAXIMUM MM |
| Hole Thread Quantity Per Inch | 18 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.31 MILLIMETERS MM |
| Nut Height | 0.249 MILLIMETERS MINIMUM AND 0.283 MILLIMETERS MAXIMUM MM |
| Nut Style | HEXAGON |
| Hole Nominal Thread Diameter | 0.31 MILLIMETERS MM |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Hole Type and Quantity | 1 TAPPED |
| 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 |
|---|---|
| 4174190005 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 4174190 | D/9 Drawing number reference only Oshkosh Defense Llc |
NSN 5310-01-654-0243 is a Nut,plain,hexagon, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-654-0243 has 1 manufacturer part number on file: 4174190005 (Oshkosh Defense Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-658-1339, 5310-01-658-1371, 5310-01-732-7390. Verify interchangeability with system specifications before substitution.
Key specifications for 4174190005: Width Across Flats: 0.547 MILLIMETERS MINIMUM AND 0.562 MILLIMETERS MAXIMUM MM; Hole Thread Quantity Per Inch: 18; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.31 MILLIMETERS MM. 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.