Circle diameter is 0.367 inches , thickness is 0.093 inches and key height os 0.171 inches
An item in the form of a segment of a disk, which may have a flat bottom, with or without projecting shoulders, designed to fit into a keyway in an axle or shaft, and into a matching slot in the hub or boss of a wheel, gear or pulley.
NSN 5945-01-052-8039
NSN 4140-01-087-3336
NSN 6220-01-025-6140
NSN 5975-01-445-7365
NSN 5998-00-385-9007
NSN 5945-01-642-2179
NSN 6620-00-942-1751
NSN 6320-01-461-5866
NSN 6685-01-115-6534
NSN 6220-01-658-4536
NSN 5975-01-506-8850
NSN 5999-01-320-7594