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NAS623-3-9
Machine Screw
Description
Pan Head Machine Screw
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 0.823 inches minimum and 0.853 inches maximum |
| Grip | 0.462 in |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.357 inches minimum and 0.373 inches maximum |
| Head Height | 0.122 inches minimum and 0.133 inches maximum |
| Head Style | Pan Head |
| Head Type | Pan |
| Industry Standards/Certification | NAS1623 |
| Internal Drive Style | Cross recess type 1 |
| Length | 0.838 in, 27/32 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-238-1474 |
| NSN | 5305-01-238-1474 |
| Screw Material | Steel comp 4140 or steel comp e4340 or steel comp 8740 |
| Screw Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response |
| 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-nas623 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.251 inches minimum and 0.311 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10-32 |
| Thread Type | Short Thread |
| Weight | .004 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS623-3-9. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error