An item for connecting two sets of grooves/keys (as of different diameters), changing groove/key size and/or spacing, or for changing groove/key configuration for uses not originally intended.
NSN 6320-01-054-3046
NSN 6150-00-364-1948
NSN 5999-01-392-2280
NSN 6645-01-394-7544
NSN 6145-00-615-2019
NSN 6685-00-663-9000
NSN 6645-01-220-2838
NSN 6685-01-494-4003
NSN
NSN 6135-00-269-5843
NSN 6145-01-424-1351
NSN 6320-01-029-4220