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 6220-01-314-2439
NSN 5985-00-081-9142
NSN 5990-00-594-7291
NSN 5855-00-301-1176
NSN 5895-01-606-9892
NSN 5920-01-216-8022
NSN 5950-01-176-6518
NSN 6240-01-612-0248
NSN 7035-01-338-2994
NSN 5855-01-208-1471
NSN 7035-01-424-7019
NSN 5965-01-573-9229