NAS1102E4-20 Machine Screw

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

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Head Style
Flat countersunk
Material
Iron alloy 660
Surface Treatment
Qq-p-35 federal specification single treatment response
Thread Class
3a
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Fastener Length
Between 1.188 inches and 1.250 inches
Internal Drive Style
Torque set
Material Specification
Ams5737 assn standard single material response
Min. Tensile Strength (psi)
160000 pounds per square inch
Thread Diameter
0.250 inches
Thread Direction
Right-hand
Thread Length
Between 1.011 inches and 1.144 inches
Thread Qty Per Inch (tpi)
28
Thread Series Designator
Unjf (fine thread with external controlled root radius)
Head Diameter
Between 0.442 inches and 0.507 inches