Home » NAS1143-1 close tolerance screw

NAS1143-1 close tolerance screw

NSN
5305-00-941-6409
Product Series
NAS
ECCN
EAR99
Schedule
7318.15.9000
Unit of Measure: EA

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Head Style
Pan
Material
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Surface Treatment
Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Class
3a
Fastener Length
Between 0.323 inches and 0.353 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Grip Length
Between 0.052 inches and 0.072 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 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 0.361 inches and 0.385 inches