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 6145-00-444-6770
NSN 5960-01-092-0163
NSN 5855-01-128-1762
NSN 7035-01-607-0271
NSN 6105-00-462-3295
NSN 5998-00-525-4243
NSN 5915-01-153-7793
NSN 5915-01-321-3234
NSN 5985-01-204-9040
NSN 5998-01-453-4444
NSN 5910-00-233-4657
NSN 5935-01-168-1111