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 6320-01-512-2031
NSN 6105-01-451-6801
NSN 5920-01-051-8086
NSN 6105-01-026-0165
NSN 5990-00-226-1152
NSN 5945-00-071-0963
NSN 5985-01-256-1022
NSN 6320-01-114-6054
NSN 4140-01-210-7062
NSN 5905-00-368-8084
NSN 2925-00-862-8550
NSN 2925-01-651-4870