NAS1123-3 Machine Screw

Unit of Measure: EA

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Fastener Length
Between 0.449 inches and 0.479 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Grip Length
Between 0.178 inches and 0.198 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)
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response
Min. Tensile Strength (psi)
160000 pounds per square inch
Specification Data
80205-nas1123 professional/industrial association standard
Surface Finish
32.0 microinches threads
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
Unjf (fine thread with external controlled root radius)
Head Diameter
Between 0.306 inches and 0.313 inches