A metallic item, usually square or rectangular in cross section, usually longer in relation to its width and thickness, with or without a head, usually designed to fit into the pre-cut slots of two adjacent cylindrically shaped members, to prevent relative rotational movement between the two. It may have mounting holes or slots.
NSN
NSN 6135-00-497-0491
NSN 6645-01-395-2989
NSN 5965-01-536-8898
NSN 6105-00-101-8860
NSN 5945-00-060-8107
NSN 6240-01-500-2152
NSN 6620-01-629-3210
NSN 5920-01-445-8003
NSN 5915-01-163-4332
NSN 6240-00-553-1923
NSN 6320-01-473-3848