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 6220-00-959-5970
NSN 6610-01-469-6235
NSN 6685-00-826-4784
NSN 6145-01-640-6511
NSN 5950-01-622-1616
NSN 6135-00-170-8819
NSN 6135-00-574-1204
NSN 6135-01-375-6724
NSN 5985-01-056-1837
NSN 5920-01-258-5775
NSN 6220-01-415-7650
NSN 5999-00-966-3648