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 5998-00-647-1225
NSN 5910-01-474-4960
NSN 5905-00-946-3525
NSN 5935-00-339-2783
NSN 6135-01-534-3007
NSN 5895-00-601-4179
NSN 5985-01-500-8331
NSN 5920-01-515-0183
NSN 6645-01-421-4007
NSN 5895-01-170-5532
NSN 5996-01-165-9344
NSN 5999-01-272-9684