No other part numbers with same form, fit, and function found.
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 5999-00-815-7256
NSN 6650-01-585-9249
NSN 6130-01-660-6192
NSN 5999-01-580-6297
NSN 6240-01-564-1775
NSN 5996-01-178-9486
NSN 5855-01-631-4331
NSN 6645-01-264-1300
NSN 5925-01-407-0600
NSN 5975-01-322-7586
NSN 5905-01-032-5526
NSN 5910-00-114-1360