screws › machine screws
NAS517-5-8
100°, Flush Head Screw
Description
NAS 517-5-8 Close Tolerance Flat Head Screw - 100 Degree
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Country of Origin | USA |
| Drive Style | Cross |
| Fastener Length | Between 1.016 inches and 1.061 inches |
| Finish | Cadmium per QQ-P-416 Type II Class 2 |
| Grip | 0.500 in |
| Head Angle | 100 º |
| Head Diameter | Between 0.572 inches and 0.638 inches |
| Head Style | Flat Head, Flat countersunk |
| Head Type | Flat |
| Industry Standards/Certification | NAS517 |
| Internal Drive Style | Cross recess type 1 |
| Length | 1.031 |
| Material | Steel |
| Material Specification | Mil-s-6050 military specification single material response or an-s-9 military standard single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 00-206-1082 |
| NSN | 5305-00-206-1082 |
| Size | 5/16-24 |
| Sold In | EA |
| Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.418 inches and 0.576 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 0.3125-24, 1/4 |
| Weight | 0.025 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS517-5-8. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error