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 7035-01-658-1623
NSN 5960-01-168-5010
NSN 5905-00-684-4999
NSN 5960-00-244-1642
NSN 5996-01-156-4092
NSN 6610-01-441-6513
NSN 6220-01-634-0660
NSN 5895-01-599-4444
NSN 5975-01-658-8225
NSN 6320-01-532-7491
NSN 5835-01-351-8429
NSN 6620-01-500-3660