NATO Stock Number
5306-01-008-4195
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.930 inches
Fastener Length
Between 1.740 inches and 1.750 inches
Head Style
Flat chamfer
Head Diameter
0.800 inches
Head Height
0.250 inches
Shoulder Diameter
0.535 inches first shoulder and 0.540 inches first shoulder
Shoulder Length
0.690 inches first shoulder and 0.700 inches first shoulder
Rib Major Diameter
Between 0.550 inches and 0.560 inches
Rib Length
0.120 inches
Distance From Largest Diameter Of Bearing Surface Of Head To Ribs
0.090 inches
Rib Minor Diameter
Between 0.535 inches and 0.540 inches
Rib Quantity
35
Thread Diameter
0.500 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
78.0 rockwell superficial 15-n and 84.0 rockwell superficial 15-n
Shoulder Shape
Ribbed first shoulder
Material
Steel comp 1335 or steel comp 1340 or steel comp 4037 or steel comp 4135 or steel comp 8637 or steel comp 8640 or steel comp 8735 or steel comp 8740
Material Specification
Qq-w-405 federal specification 1st material response or astm a322 assn standard 1st material response or qq-w-405 federal specification 2nd material response or astm a322 assn standard 2nd material response or qq-w-405 federal specification 3rd material response or astm a322 assn standard 3rd material response or qq-w-405 federal specification 4th material response or qq-w-405 federal specification 5th material response or astm a322 assn standard 5th material response or qq-w-405 federal specification 6th material response or qq-w-405 federal specification 7th material response or qq-w-405 federal specification 8th material response or astm a322 assn standard 8th material response
Surface Treatment
Cadmium and chromate or zinc and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification 1st treatment response and qq-p-416, type 2, cl 2 federal specification 2nd treatment response or qq-z-325, type 2, cl 2 federal specification 3rd treatment response and qq-z-325, type 2, cl 2 federal specification 4th treatment response
Thread Series Designator
Unf