A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
NSN 6110-00-972-6005
NSN 7035-00-763-6180
NSN 5855-00-879-7245
NSN 5915-01-457-9126
NSN 5985-01-180-2117
NSN 5835-00-683-4612
NSN 6240-00-079-1759
NSN 6105-00-915-6601
NSN 6320-00-149-7570
NSN 6320-01-157-9076
NSN 6610-01-627-8985
NSN 5930-01-097-5332