NAS623-3-11 Machine Screw

Product Series
NAS
ECCN
EAR99
Schedule
7318.15.2091
Unit of Measure: EA

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Head Style
Pan
Thread Class
3a
Fastener Length
Between 0.949 inches and 0.979 inches
Hardness Rating
Between 36.0 rockwell c and 40.0 rockwell c
Head Height
Between 0.122 inches and 0.133 inches
Internal Drive Style
Cross recess type 1
Min. Tensile Strength (psi)
160000 pounds per square inch
Screw Material
Steel comp e4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4140 or steel comp 4037
Screw Surface Treatment
Cadmium and chromate
Screw Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification all treatment responses
Thread Diameter
0.190 inches
Thread Direction
Right-hand
Thread Length
Between 0.251 inches and 0.301 inches
Thread Qty Per Inch (tpi)
32
Thread Series Designator
Unf (fine thread)
Head Diameter
Between 0.357 inches and 0.373 inches