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 5935-01-124-5594
NSN 5985-00-670-9484
NSN 5985-01-288-0623
NSN 5945-01-062-0800
NSN 6650-01-183-0711
NSN 5935-01-534-8975
NSN 5996-00-805-0142
NSN 2925-00-278-9468
NSN 5930-01-614-7535
NSN 5915-01-329-0326
NSN 5895-01-150-5298
NSN 5855-01-167-2162