0.688" bore dia.
A mechanical item used to connect a shaft and the mating member of a flexible or rigid coupling.
Classification: Shaft couplings, except universal joints
NSN 6150-01-238-1047
NSN 6645-01-355-9733
NSN 6145-01-138-5231
NSN 5920-01-004-4107
NSN 6610-01-071-2037
NSN 5910-01-359-1966
NSN 5895-00-371-6614
NSN 6320-00-360-1744
NSN 4140-00-780-6443
NSN 2925-01-157-9204
NSN 5905-01-158-3707
NSN 6610-01-399-5222