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 6130-00-690-2273
NSN 5985-01-438-3086
NSN 6685-01-280-4352
NSN 5920-01-450-0614
NSN 6135-01-507-4346
NSN 6320-01-296-3181
NSN 5920-01-323-4166
NSN 6145-00-394-4511
NSN 5999-00-151-9955
NSN 5905-01-449-7583
NSN 6645-00-296-8310
NSN 5985-01-168-8546