nuts › plain hexagon nuts
NAS1423-8
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 | 110.0 degrees nut |
| Dimension A | 0.750 in |
| Dimension B | 0.093 in |
| Dimension C | 0.844 in |
| Dimension D | 0.156 in |
| Drilled Hole Diameter | 0.046 |
| Hardness Rating | Between 34.0 rockwell c and 38.0 rockwell c |
| Hole Configuration Style | Configuration b |
| Hole Type And Quantity | 3 drilled |
| Industry Standards/Certification | NAS1423 |
| Material | Steel |
| Material Specification | Mil-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 | 00-959-1974 |
| NSN | 5310-00-959-1974 |
| Nut Height | Between 0.146 inches and 0.166 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-8 |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.500, 1/2-20 UNJF-3B |
| Thread T | 0.5000-20 |
| Type | Drilled Jam |
| Weight | 0.01 lb |
| Width Across Flats | Between 0.740 inches and 0.752 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1423-8LH NAS 1/2-20 · Steel
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Catalog data updated 2026-07-05. Report a data error