NATO Stock Number
5306-00-144-4072
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.323 inches and 0.363 inches
Fastener Length
Between 1.646 inches and 1.666 inches
Head Style
Button
Head Diameter
Between 0.484 inches and 0.516 inches
Head Height
Between 0.109 inches and 0.141 inches
Groove Diameter
0.196 inches
Single Shear Strength
3680 pounds per square inch
Internal Drive Style
Slot
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Material
Steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4140 or steel comp 4130 or steel comp 4037
Material Specification
Mil-s-6049 military specification 1st material response or mil-s-6050 military specification 2nd material response or mil-s-6098 military specification 3rd material response or mil-s-5626 military specification 4th material response or mil-s-6758 military specification 5th material response or mil-s-8695 military specification 6th material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2 cl 3 federal specification all treatment responses
Thread Series Designator
Unf
Departure From Cited Document
Thread t per mil-s-7742 except major diameter is not to exceed max allow bolt shank dia
