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 5905-01-308-8975
NSN 5905-01-625-8053
NSN 5965-00-081-9412
NSN 6145-01-074-7541
NSN 5905-01-537-6334
NSN 6320-01-259-2604
NSN 5999-01-024-6927
NSN 5975-00-419-9812
NSN 5930-01-575-7236
NSN 6130-00-921-4448
NSN 5935-00-594-6229
NSN 5835-00-358-4235