NATO Stock Number
5307-00-977-1754
Sold in multiples of
DEMIL
NO
Thread Class
3a nut thread
Thread Class
3a stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.552 inches nut thread and 0.572 inches nut thread
Thread Length
0.387 inches stud thread and 0.397 inches stud thread
Locking Feature
Ring, lock serrated
Shoulder Diameter
Between 0.301 inches and 0.311 inches
Shoulder Length
Between 0.040 inches and 0.050 inches
Overall Length
Between 1.292 inches and 1.332 inches
Distance From Shoulder Portion To Nut End
Between 0.865 inches and 0.885 inches
Thready Qty Per Inch (tpi)
16 stud thread
Thready Qty Per Inch (tpi)
24 nut thread
Hardness Rating
Between 26.0 rockwell c and 32.0 rockwell c
Thread Size
0.312 inches nut thread
Thread Size
0.375 inches stud thread
Material
Steel comp 4130
Material Specification
Mil-s-6758 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Locked in
Thread Series Designator
Unc stud thread
Thread Series Designator
Unf nut thread