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 5920-00-613-3116
NSN 6620-00-571-5645
NSN 6110-01-060-3195
NSN 7035-00-500-7839
NSN 5996-00-067-5219
NSN 6220-01-318-4996
NSN 6685-00-824-2727
NSN 2925-01-465-3437
NSN 6685-01-299-4533
NSN 5930-01-450-0029
NSN 5999-01-455-1319
NSN 6130-00-989-2332