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 5999-01-123-8754
NSN 6650-01-620-8742
NSN 5855-00-494-9581
NSN 5999-00-355-4463
NSN 6645-00-248-5434
NSN 5895-00-216-5849
NSN 5915-00-304-8195
NSN 6610-01-027-8736
NSN 6150-00-968-9599
NSN 5999-01-309-0091
NSN 5975-01-572-2873
NSN 5960-00-315-0358