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 5905-01-532-8823
NSN 6685-00-300-3653
NSN 5855-01-162-5251
NSN 6130-01-617-5306
NSN 5935-01-398-6290
NSN 5895-01-501-2930
NSN 5925-01-424-5330
NSN 5920-00-155-2173
NSN 6110-01-134-9010
NSN 5950-01-381-6393
NSN 6620-00-022-8056
NSN 5855-01-291-4763