1 drilled hole through center of unthreaded shank
A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
NSN 6650-01-090-8576
NSN 6150-01-398-9850
NSN 7035-01-126-6023
NSN 5920-00-871-1045
NSN 6110-00-476-3302
NSN 6145-00-005-6294
NSN 5925-01-303-1403
NSN 5965-01-422-9770
NSN 5935-01-302-3346
NSN 5996-01-603-0360
NSN 6645-00-770-3742
NSN 6105-01-431-8289