NATO Stock Number
5306-00-997-0496
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.258 inches and 1.350 inches
Fastener Length
Between 1.330 inches and 1.350 inches
Head Style
Tee no. 6
Head Height
Between 0.140 inches and 0.144 inches
Head Length
Between 0.480 inches and 0.500 inches
Width Between Flats
Between 0.370 inches and 0.380 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
30.0 rockwell c and 38.0 rockwell c
Surface Finish
32.0 microinches threads
Chamfer Angle
Between 40.0 degrees and 50.0 degrees
Material
Steel comp 601
Material Specification
Ams6304 assn standard single material response
Surface Treatment
Nickel and cadmium
Surface Treatment Specification
Ams 2416 assn standard all treatment responses
Thread Series Designator
Unf