The Nut,plain,knurled, cataloged under National Stock Number 5310-01-643-4382, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-643-4382 |
| Primary Part Number | 6HA196 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Thread Series | UNS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.469 INCHES IN |
| Nut Diameter | 0.474 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN |
| Nut Thickness | 0.125 INCHES NOMINAL IN |
| Countersink Angle | 90.0 DEGREES NOMINAL OVERALL |
| Nut Style | KNURLED |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL |
| 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 |
|---|---|
| 6HA196 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 5000-600-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-643-4382 is a Nut,plain,knurled, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-643-4382 has 1 manufacturer part number on file: 6HA196 (Oshkosh Defense Llc).
Key specifications for 6HA196: Thread Series: UNS; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.469 INCHES IN; Nut Diameter: 0.474 INCHES MINIMUM AND 0.484 INCHES MAXIMUM 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.