The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-333-8839, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Daimler Truck North America 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-333-8839 |
| Primary Part Number | 23-09400-200 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Daimler Truck North America Llc |
| Status | ACTIVE |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.226 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 20 |
| Material | STEEL NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| 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 |
|---|---|
| 23-09400-200 PRIMARY | Daimler Truck North America Llc (USA) |
| Reference | Meaning |
|---|---|
| 420Z | 5/9 Secondary reference Nylomatic |
| J995 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-01-333-8839 is a Nut,plain,hexagon, manufactured by Daimler Truck North America Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-333-8839 has 1 manufacturer part number on file: 23-09400-200 (Daimler Truck North America Llc).
Key specifications for 23-09400-200: Width Across Flats: 0.438 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN. 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.