nuts › plain hexagon nuts
NAS1423-4
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
| Bearing Surface Finish | 250.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 110 degrees |
| Dimension A | 0.438 in |
| Dimension B | 0.056 in |
| Dimension C | 0.484 in |
| Dimension D | 0.125 in |
| Drilled Hole Diameter | 0.046 |
| Hardness Rating | Between 34 rockwell c and 38 rockwell c |
| Hole Configuration Style | Configuration b |
| Hole Type And Quantity | 3 drilled |
| Industry Standards/Certification | NAS1423 |
| Material | Steel |
| Material Specification | Ml-s-6758 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-5000 military specification 3rd material response |
| NIIN | 00-962-5166 |
| NSN | 5310-00-962-5166 |
| Nut Height | Between 0.115 inches and 0.135 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 Dash | RH-4 |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.25, 1/4-28 UNJF-3B |
| Thread T | 0.2500-28 |
| Type | Drilled Jam |
| Weight | 0.0035 lb |
| Width Across Flats | Between 0.428 inches and 0.440 inches |
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Catalog data updated 2026-07-05. Report a data error