63 microinch rms finish all over; fsc application data: motor, turret traversing and elevating mechanism, tank; surface treatment: cadmium plated; body keying facility dep/ht: 0.500" nom.; hole thread size designator: 5/16 - 18; threaded hole location: 90 deg. From keyway; threaded hole qty: 1; keying facility qty: 1; bore counterbore feature: not included; securing method: threaded hole; thread provision: unthreaded; distance from center of bore to bottom of keyway: 0.514" nom.; keyway wd: 0.157" nom.
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 6610-00-406-3107
NSN 6220-01-395-2980
NSN 5999-01-362-3961
NSN 5985-00-186-0732
NSN 6320-01-409-1388
NSN 5835-01-424-0054
NSN 5965-01-158-4187
NSN 6645-01-322-5644
NSN 6240-01-198-1966
NSN 5965-01-420-2629
NSN 6610-01-579-9476
NSN 6240-00-827-0889