NATO Stock Number
5306-00-145-6986
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.219 inches and 1.297 inches
Fastener Length
Between 3.797 inches and 3.844 inches
Head Style
Hexagon
Head Height
Between 0.453 inches and 0.485 inches
Width Between Flats
Between 1.240 inches and 1.253 inches
Shank Unthreaded Hole Diameter
0.141 inches first hole and 0.151 inches first hole
Shank Unthreaded Hole Diameter
0.141 inches and 0.151 inches first hole
End Application
Spec item
Thread Diameter
0.875 inches
Grip Length
Between 2.547 inches and 2.578 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
14
Min. Tensile Strength (psi)
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
3.531 inches first hole and 3.562 inches first hole
Distance From Head Largest Bearing Surface To Shank Hole Center
3.531 inches and 3.562 inches first hole
Material
Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037
Material
Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037
Material Specification
Mil-s-6526 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6050 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response or ams 6300 assn standard 6th material response
Material Specification
Mil-s-6526 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6050 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response or ams 6300 assn standard 6th material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification all treatment responses
Thread Series Designator
Unf