NATO Stock Number
5307-01-331-7757
Sold in multiples of
EA
DEMIL
NO
Thread Class
3a nut thread
Thread Pitch Diameters
+0.3287/+0.3331 inches stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.547 inches nut thread and 0.577 inches nut thread
Thread Length
0.360 inches stud thread and 0.390 inches stud thread
Locking Feature
Ring, lock keyed
Overall Length
Between 0.907 inches and 0.967 inches
Thready Qty Per Inch (tpi)
16 stud thread
Thready Qty Per Inch (tpi)
32 nut thread
Thread Size
0.190 inches nut thread
Thread Size
0.375 inches stud thread
Distance From End Of Stud End Threads To Nut End
Between 0.547 inches and 0.577 inches
Surface Finish
32.0 microinches nut thd
Part Name Assigned By Controlling Agency
Navy special project
Material
Iron alloy 660
Style Designator
Locked in
Thread Series Designator
Unc stud thread
Thread Series Designator
Unjf nut thread