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NAS1101-3-20
Fillister Head Machine Screw
Description
Fillister Head Machine Screw
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 1.188 inches minimum and 1.250 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.306 inches minimum and 0.313 inches maximum |
| Head Height | 0.034 inches minimum and 0.042 inches maximum |
| Head Style | Flat chamfer |
| Head Type | Flat Fillister Offset Cruciform Recess |
| Industry Standards/Certification | NAS1101 |
| Internal Drive Style | Torque set |
| Length | 1 1/4, 1.25 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-147-1201 |
| NSN | 5305-01-147-1201 |
| Screw Material | Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416,type 2 class 2 fed spec single treatment response |
| Sold In | Per Package |
| Specification Data | 80205-nas1101 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 1.126 inches minimum and 1.250 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 0.1900-32, 10 |
| Thread Type | Full Thread |
| Weight | 0.001 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error