Serrated flange head
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
NSN 6145-01-447-4306
NSN 6110-01-574-4274
NSN 5965-01-147-5847
NSN 5990-01-538-6115
NSN 2925-01-407-3032
NSN 5998-01-200-6235
NSN 6685-01-426-7450
NSN 6685-01-202-1581
NSN 5935-01-110-9676
NSN 5915-01-350-2037
NSN 5960-01-470-1579
NSN 5910-01-421-4153