nuts › plain hexagon nuts
AS5178R16
Nut
Description
Thread Size: 1-1/4", Nut Height: 3/8", Head Width: 1-5/8"
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Material | CRES |
| Material Specification | Qq-s-763 fed spec single material response |
| Nut Height | 0.330 inches minimum and 0.422 inches maximum |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-s-5002 mil spec single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 12 |
| Thread Qty Per Inch (tpi) | 12 |
| Thread Series | UN |
| Thread Size | 1.312 |
| Width Across Flats | 1.609 inches minimum and 1.641 inches maximum |
Other sizes
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Catalog data updated 2026-07-05. Report a data error