W/o shoulder
A headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same nominal diameter. It is designed to be locked in place by either a ring, lock, serrated or a ring, lock, keyed.
NSN 2925-01-139-5144
NSN 6650-01-456-6516
NSN 6685-01-013-6499
NSN 6320-01-448-6265
NSN 6110-00-837-2282
NSN 6650-01-081-1537
NSN 6620-00-113-1380
NSN 5835-00-257-2852
NSN 5935-01-077-7269
NSN 5855-01-293-1592
NSN 5910-01-283-2694
NSN 5855-01-660-5088