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 5965-00-529-0602
NSN 5945-00-648-6237
NSN 5965-01-168-0150
NSN 5985-01-258-4769
NSN 5999-00-553-9831
NSN 6610-01-204-9146
NSN 6110-01-528-2948
NSN 5920-00-504-7459
NSN 5935-01-571-4473
NSN 5935-00-550-9983
NSN 5996-01-522-5774
NSN 6610-01-352-5500