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 5855-00-127-5559
NSN 5855-01-505-5144
NSN 6645-01-015-3684
NSN 4140-01-309-5411
NSN 5965-01-509-5562
NSN 6320-01-600-0787
NSN 5999-00-867-5593
NSN 6135-01-556-7318
NSN 5925-01-398-0517
NSN 5920-00-107-5371
NSN 5895-01-441-5783
NSN 5998-00-225-1641