nuts › plain hexagon nuts
NAS509-4C
Nut S/S
Description
Nut S/S
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered |
| Countersink Angle | 110.0 degrees nut |
| Dimension A | 0.438 in |
| Dimension B | 0.484 in |
| Dimension C | 0.056 in |
| Dimension D | 0.188 in |
| Drilled Hole Diameter | Between 0.045 inches and 0.050 inches |
| Hole Configuration Style | Configuration b |
| Hole Type And Quantity | 3 drilled |
| Industry Standards/Certification | NAS509 |
| Material | CRES |
| Material Specification | Ams 5525 assn standard 1st material response or ams 5735 assn standard 2nd material response or ams 5737 assn standard 3rd material response |
| NIIN | 01-014-6982 |
| NSN | 5310-01-014-6982 |
| Nut Height | 0.188 |
| Nut Style | Hexagon |
| Specification Data | 80205-nas509 professional/industrial association standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.250 |
| Thread T | 0.2500-28 |
| Weight | .005 lb |
| Width Across Flats | Between 0.428 inches and 0.440 inches |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error