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NAS517-2-18
100°, Flush Head Screw
Description
NAS 517-2-18 Close Tolerance Flat Head Screw - 100 Degree
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Country of Origin | USA |
| Fastener Length | 1.531 |
| Finish | Cadmium per QQ-P-416 Type II Class 2 |
| Grip | 1.125 |
| Hardness Rating | Between 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.287 inches and 0.334 inches |
| Head Style | Flat Head, Flat countersunk |
| Internal Drive Style | Cross recess type ii |
| Length | 1 1/2, 1.531 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 00-814-9042 |
| NSN | 5305-00-814-9042 |
| Screw Material | Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 |
| Screw Material Specification | Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification all treatment responses |
| Size | 8-32 |
| Sold In | EA |
| Specification Data | 80205-nas517 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.406 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 8 |
| Weight | .005 lb |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error