NATO Stock Number
5306-00-415-5428
Sold in multiples of
EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
2.375 inches
Fastener Length
17.000 inches
Head Style
Dee chamfer
Head Diameter
2.000 inches
Head Height
1.250 inches
Distance From Centerline To Flat
Between 0.797 inches and 0.807 inches
Shank Unthreaded Hole Diameter
0.219 inches first hole
First Diameter From Head
Between 1.140 inches and 1.150 inches
Second Diameter From Head
Between 1.247 inches and 1.248 inches
Third Diameter From Head
Between 1.140 inches and 1.150 inches
Fourth Diameter From Head
Between 1.247 inches and 1.248 inches
Fifth Diameter From Head
Between 1.140 inches and 1.150 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.500 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
1.000 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
4.500 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
6.500 inches
Distance From Largest Bearing Surface Of Head To End Of Fifth Diameter
11.000 inches
Thread Diameter
1.250 inches
Thready Qty Per Inch (tpi)
12
Hardness Rating
25.0 rockwell c and 30.0 rockwell c
Hardness Rating
25.0 rockwell c and 30.0 rockwell c
Distance From Largest Bearing Surface Of Head To End Of Seventh Diameter
14.250 inches
Distance From Head Largest Bearing Surface To Shank Hole Center
16.188 inches first hole
Externally Relieved Body Diameter Quantity
7
Distance From Largest Bearing Surface Of Head To End Of Sixth Diameter
14.000 inches
Seventh Diameter From Head
Between 1.140 inches and 1.150 inches
Sixth Diameter From Head
Between 1.247 inches and 1.248 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4140
Material Specification
Sae assn standard single material response
Thread Series Designator
Unf