An externally threaded fastener whose threaded portion is of one nominal diameter and with a head specially designed to fit in a slot and hold against turning.
NSN 6610-01-479-4538
NSN 6240-01-251-6621
NSN 5920-01-178-6457
NSN 5950-01-520-3232
NSN 5835-00-614-0650
NSN 5835-01-442-6482
NSN 6220-01-634-0660
NSN 5895-01-207-0753
NSN 5935-00-006-2970
NSN 6320-01-631-7828
NSN 5855-00-079-2370
NSN 6320-00-731-6134