nuts › plain hexagon nuts
NAS509L12
Plain Hexagon Nut
Description
Thread Size: 3/4", Nut Height: 1/2", Head Width: 1-1/8", NAS509 series nut
Specifications
| Bearing Surface Finish | 250.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 109.0 degrees nut and 111.0 degrees nut |
| Drilled Hole Diameter | 0.070 |
| Hardness Rating | Between 34.0 rockwell c and 38.0 rockwell c |
| Hole Configuration Style | Configuration b |
| Hole Type And Quantity | 3 drilled |
| Material | Steel |
| Material Specification | Cond c4 military specification single material response mil-s-6758 |
| Nut Height | Between 0.459 inches and 0.479 inches |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Cl 3 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3b |
| Thread Direction | Left-hand |
| Thread Qty | 16 |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.750 |
| Width Across Flats | Between 1.109 inches and 1.127 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS509L12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error