NATO Stock Number
5306-00-003-0579
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.610 inches
Fastener Length
Between 2.734 inches and 2.739 inches
Head Style
Round w/wrench flats
Head Diameter
1.523 inches
Head Height
Between 0.140 inches and 0.150 inches
Width Between Flats
1.438 inches
Shoulder Diameter
Between 0.9925 inches and 0.9936 inches
Shoulder Length
Between 2.124 inches and 2.129 inches
Shank Unthreaded Hole Diameter
0.106 inches first hole and 0.116 inches first hole
Shank Unthreaded Hole Diameter
0.106 inches and 0.116 inches first hole
Concentric Hole Depth
Between 1.909 inches and 1.914 inches
Concentric Hole Diameter
Between 0.249 inches and 0.255 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
46.0 rockwell c and 49.0 rockwell c
Hardness Rating
46.0 rockwell c and 49.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
2.537 inches first hole and 2.542 inches first hole
Distance From Head Largest Bearing Surface To Shank Hole Center
2.537 inches and 2.542 inches first hole
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Material Specification
G-1010, fsc-26512 mfr ref single material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Mil-c-8837 type 2 cl 1 military specification single treatment response
Style Designator
Concentric hole unthreaded
Thread Series Designator
Unjf