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 6110-01-101-6722
NSN 5930-01-431-9331
NSN 5985-00-327-9492
NSN 6110-00-105-9850
NSN 5999-00-707-8641
NSN 5930-00-707-4138
NSN 5915-01-235-0426
NSN 6685-01-159-1254
NSN 5945-01-475-1680
NSN 6135-00-182-7008
NSN 6220-01-053-0681
NSN 5965-01-290-0535