Home » NAS1143-8 Machine Screw

NAS1143-8 Machine Screw

Product Series
NAS
ECCN
9A991
Schedule
7318.15.2091
Unit of Measure: EA

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Head Style
Pan
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Surface Treatment
Cl 3 federal specification all treatment responses type 2 qq-p-416
Thread Class
3a
Fastener Length
Between 0.761 inches and 0.791 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Grip Length
0.500 inches
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Head Height
Between 0.103 inches and 0.118 inches
Internal Drive Style
Offset cruciform (torque set)
Min. Tensile Strength (psi)
160000 pounds per square inch
Specification Data
80205-nas1143 professional/industrial association standard
Surface Finish
32.0 microinches bearing surface of head
Thread Diameter
0.192 inches
Thread Direction
Right-hand
Thread Length
0.276 inches
Thread Qty Per Inch (tpi)
32
Thread Series Designator
Unjf (fine thread with external controlled root radius)
Head Diameter
Between 0.361 inches and 0.385 inches