An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.
Dept. of the Navy 
Spain 
Australia 
Canada Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6105-01-211-5451
NSN 6220-00-346-8944
NSN 6110-01-643-3252
NSN 6105-01-032-2856
NSN 5915-01-210-9132
NSN 5950-00-482-3784
NSN 6650-01-029-5414
NSN 7035-00-421-8710
NSN 5965-01-583-1507
NSN 5925-00-973-1160
NSN 2925-00-887-7092
NSN 6650-01-206-0037