NATO Stock Number
5307-01-077-1077
Sold in multiples of
5 EA
DEMIL
NO
Thread Class
2a nut thread
Thread Class
3a stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.240 inches nut thread and 0.280 inches nut thread
Thread Length
0.320 inches stud thread
Shoulder Diameter
Between 0.300 inches and 0.310 inches
Shoulder Length
Between 0.038 inches and 0.040 inches
Overall Length
Between 1.060 inches and 1.105 inches
Nut End Shank Length
Between 0.360 inches and 0.367 inches
Distance From Cotter Pin Hole Centerline To Nut End
0.120 inches first hole and 0.140 inches first hole
Thready Qty Per Inch (tpi)
20 stud thread
Thready Qty Per Inch (tpi)
Z8 nut thread
Hardness Rating
Between 42.0 rockwell c and 50.0 rockwell c
Thread Size
0.250 inches nut thread
Thread Size
0.250 inches stud thread
Stud End Shank Length
0.078 inches
Stud End Shank Diameter
0.250 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Material Specification
Hs178 comb ms2776 fsc-73030 mfr ref single material response
Style Designator
Shouldered
Thread Series Designator
Unc stud thread
Thread Series Designator
Unf nut thread