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 5930-01-631-4169
NSN 6645-01-366-5033
NSN 6135-01-660-8237
NSN 5975-00-891-3073
NSN 5999-01-093-1953
NSN 6135-00-087-5300
NSN 6645-00-100-7218
NSN 7035-00-193-2269
NSN 6150-00-833-3037
NSN 5999-00-203-1202
NSN 5910-01-384-2665
NSN 6685-01-557-9643