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 6150-01-136-5136
NSN 5835-00-269-2232
NSN 5960-00-915-6269
NSN 6145-00-354-6706
NSN 5910-01-610-6544
NSN 6135-01-226-1396
NSN 4140-00-115-0830
NSN 5855-00-327-2061
NSN 5998-00-171-8941
NSN 5925-01-401-5314
NSN 5895-01-459-8632
NSN 6610-01-196-9861