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 6620-00-351-9949
NSN 5910-01-024-8019
NSN 6620-00-825-2227
NSN 5935-00-949-3374
NSN 6135-01-543-1263
NSN 6645-01-522-3754
NSN 6620-01-067-9285
NSN 5950-01-472-6790
NSN 5945-00-811-6375
NSN 4140-00-846-3423
NSN 4140-01-341-8265
NSN 5950-01-464-4196