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 6645-01-605-1485
NSN 6105-01-606-4265
NSN 5910-00-199-7617
NSN 6610-00-161-7439
NSN 5985-00-197-5392
NSN 4140-00-529-7463
NSN 5895-01-502-0039
NSN 5905-01-212-2043
NSN 6685-01-123-3248
NSN 5925-00-929-4741
NSN 5920-00-868-7651
NSN 5930-01-230-6572