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 6145-01-545-6348
NSN 6105-01-123-7017
NSN 5935-00-900-6300
NSN 5960-00-269-4762
NSN 4140-01-494-2779
NSN 5985-01-655-8644
NSN 6150-01-532-5885
NSN 5950-01-519-7928
NSN 5999-01-090-7685
NSN 4140-01-577-0245
NSN 5920-01-416-8756
NSN 5905-01-377-5273