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 5950-01-129-4991
NSN 6145-01-092-2183
NSN 5935-01-469-9203
NSN 6105-00-570-8663
NSN 6320-01-512-2031
NSN 5905-00-914-7182
NSN 5996-01-269-5443
NSN 6645-01-465-1318
NSN 6145-01-444-1668
NSN 2925-01-620-9673
NSN 6685-00-857-1891
NSN 5985-01-351-0289