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 5895-01-474-5209
NSN 5835-01-055-6063
NSN 6650-01-417-1797
NSN 5945-01-377-1424
NSN 5895-01-104-1848
NSN 5990-00-406-4991
NSN 6220-01-351-0183
NSN 5905-01-127-4930
NSN 5965-00-917-6996
NSN 5950-00-763-7010
NSN 5960-01-031-1759
NSN 5915-01-641-1266