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 5998-00-141-9872
NSN 5985-01-449-5407
NSN 5935-00-209-6774
NSN 6145-01-188-4876
NSN 5915-01-378-7039
NSN 5835-01-359-2575
NSN 6145-01-576-9609
NSN 5905-00-233-5421
NSN 5950-01-415-0276
NSN 5910-01-194-7897
NSN 5910-01-115-7738
NSN 2925-01-391-9247