NATO Stock Number
5306-00-098-2610
Sold in multiples of
50 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.510 inches and 0.530 inches
Fastener Length
Between 4.530 inches and 4.550 inches
Head Style
Hexagon
Head Height
Between 0.271 inches and 0.291 inches
Width Between Flats
Between 0.492 inches and 0.502 inches
Hole Diameter
0.065 inches
First Diameter From Head
Between 0.331 inches and 0.335 inches
Second Diameter From Head
Between 0.232 inches and 0.236 inches
Third Diameter From Head
Between 0.331 inches and 0.335 inches
Fourth Diameter From Head
Between 0.241 inches and 0.245 inches
Fifth Diameter From Head
Between 0.331 inches and 0.335 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.480 inches and 0.520 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 2.110 inches and 2.150 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
Between 2.270 inches and 2.350 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
Between 2.380 inches and 2.470 inches
Distance From Largest Bearing Surface Of Head To End Of Fifth Diameter
Between 2.590 inches and 2.670 inches
Thread Diameter
0.312 inches
Hole Quantity
3
Hole Type
Drilled
Thready Qty Per Inch (tpi)
18
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Hole Configuration Style
Hexagon flats
Externally Relieved Body Diameter Quantity
6
Material
Steel comp 8740
Material Specification
Ams 6322 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Thread Series Designator
Unc