NAS1802-4-22 Machine Screw

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

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Head Style
Hexagon
Thread Class
3a
Fastener Length
1.375 inches
Head Height
Between 0.125 inches and 0.140 inches
Internal Drive Style
Cross recess type 1
Min. Tensile Strength (psi)
160000 pounds per square inch
Screw Material
Iron alloy 660
Screw Material Specification
Asm 5731 assn standard single material response or ams5737 assn standard single material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Specification Data
80205-nas1802 professional/industrial association standard
Thread Diameter
0.250 inches
Thread Direction
Right-hand
Thread Length
Between 1.304 inches and 1.375 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