An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
Dept. of the Army 
Dept. of the Air Force 
U.s. Marine Corps 
Dept. of the Navy 
U.s. Coast Guard 
Poland 
Spain 
Australia 
Belgium 
Germany 
Republic of Korea 
United Kingdom 
Greece 
Turkey Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5975-01-521-4068
NSN 2925-01-327-3069
NSN 6110-00-400-3353
NSN 4140-00-150-6191
NSN 5990-01-386-5561
NSN 5985-00-185-8858
NSN 5996-00-401-4502
NSN 5950-01-615-1199
NSN 5945-01-235-0525
NSN 6610-00-174-6709
NSN 5905-01-013-8589
NSN 6110-00-679-8961