nuts › plain hexagon nuts
NAS1423-4LH
Drilled Jam Nut
Description
Material - 4130 Alloy Steel Per AMS-S-6758 Finish - Cad Type II, Class 2 Per AMS-QQ-P-416 Heat Treat- 150 KSI Min Per AMS2759 Hardness - 34-38 HRC
Specifications
| Dimension A | 0.438 in |
|---|---|
| Dimension B | 0.056 in |
| Dimension C | 0.484 in |
| Dimension D | 0.125 in |
| Features | Left Hand Thread |
| Hardness Rating | 34.0 rockwell c minimum and 38.0 rockwell c maximum |
| Industry Standards/Certification | NAS1423 |
| Material | Steel |
| Material Specification | Mil-s-675 mil spec single material response or mil-s-5000 mil spec single material response |
| Nut Height | 0.125 |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416, type ii, class 2 fed spec single treatment response |
| Thread Class | 3b |
| Thread Dash | LH-4LH |
| Thread Direction | Left-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJC |
| Thread Size | 0.250, 1/4-28 UNJF-3B |
| Thread T | 0.2500-28 |
| Type | Drilled Jam |
| Weight | .004 lb |
| Width Across Flats | 0.438 |
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Catalog data updated 2026-07-05. Report a data error