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 6650-01-420-7388
NSN 6105-00-205-0655
NSN 5915-01-085-5820
NSN 5905-01-415-6056
NSN 6220-00-111-7756
NSN 5910-01-230-8255
NSN 6220-00-818-6478
NSN 6650-01-388-2538
NSN 6145-01-215-6277
NSN 5920-01-617-9974
NSN 6130-01-245-3096
NSN 5915-00-258-0031