NAS1802-4-10 Machine Screw

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

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Head Style
Hexagon
Material
Iron alloy 660
Surface Treatment
Qq-p-35 federal specification single treatment response
Thread Class
3a
Fastener Length
Between 0.609 inches and 0.656 inches
Head Height
Between 0.125 inches and 0.140 inches
Material Specification
Ams 5731 assn standard single material response or ams 5737 assn standard single material response
Min. Tensile Strength (psi)
160000 pounds per square inch
Specification Data
80205-nas1802 professional/industrial association standard
Surface Finish
63.0 microinches bearing surface of head
Thread Diameter
0.250 inches
Thread Direction
Right-hand
Thread Length
Between 0.538 inches and 0.656 inches
Thread Qty Per Inch (tpi)
28
Thread Series Designator
Unjf (fine thread with external controlled root radius)
Width Between Flats
Between 0.367 inches and 0.376 inches