NATO Stock Number
5306-00-733-9239
Sold in multiples of
20 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Left-hand
Thread Length
1.156 inches
Fastener Length
2.469 inches
Head Style
Flat chamfer
Head Diameter
Between 1.310 inches and 1.370 inches
Head Height
0.312 inches
Shoulder Diameter
0.840 inches first shoulder
Shoulder Length
0.906 inches first shoulder
Rib Major Diameter
0.875 inches
Rib Length
Between 0.625 inches and 0.687 inches
Distance From Largest Diameter Of Bearing Surface Of Head To Ribs
0.125 inches
Rib Minor Diameter
0.840 inches
Rib Quantity
31
Thread Diameter
0.750 inches
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
16
Hardness Rating
300.0 brinell standard and 350.0 brinell standard
Shoulder Shape
Round first shoulder
Material
Steel comp 8640 or steel comp 8740 or steel comp 3135 or steel comp 4140 or steel comp 4135
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification 1st treatment response or qq-z-325, type 2, cl 3 federal specification 2nd treatment response
Thread Series Designator
Unf