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 6240-01-468-4877
NSN 5920-00-317-2219
NSN 5945-01-388-9738
NSN 5985-01-423-7984
NSN 6110-01-026-7619
NSN 6620-01-608-8548
NSN 5930-01-480-2333
NSN 5965-01-483-1610
NSN 6150-01-043-0155
NSN 7035-01-568-5351
NSN 7035-01-496-5896
NSN 5915-00-565-0947