A headed externally threaded fastener whose threaded portion is of one nominal diameter having two or more fins extending from the head to the shank.
NSN 6610-01-032-5335
NSN 6110-01-391-6067
NSN 5855-01-314-8335
NSN 5930-00-905-6459
NSN 6620-00-852-5353
NSN 5996-01-127-1734
NSN 5895-00-543-2906
NSN 5960-01-553-4557
NSN 5915-00-274-2282
NSN 6320-00-937-5625
NSN 5910-00-715-6135
NSN 5930-00-636-8888