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 5935-00-823-0993
NSN 6650-01-371-5886
NSN 6220-01-195-5280
NSN 5945-01-524-9751
NSN 5925-00-539-8372
NSN 6645-00-580-9605
NSN 5960-01-178-7500
NSN 5996-01-512-2878
NSN 5925-01-391-1014
NSN 5910-01-440-2365
NSN 5925-01-123-7852
NSN 5855-00-151-3853