Surface treatment: cadmium plated; threaded hole location (1) hole approx 180 deg. From keyway; hole thread size designator: 1/4 -20- unc - 3b; threaded hole qty: 1; securing method: threaded hole; keying facility qty: 1; counterbore location: coupling end; thread provision: unthreaded; distance from center of bore to bottom of keyway: 0.4360" nom.; keyway wd: 0.187" min., 0.189" max.; counterbore dep.: 0.594" nom.; counterbore dia.: 0.781" 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 6105-01-187-4719
NSN 6645-00-580-9605
NSN 6220-01-455-2977
NSN 5950-01-469-8054
NSN 5930-01-070-1345
NSN 6220-00-577-3434
NSN 6130-01-468-0783
NSN 5910-00-481-1626
NSN 5930-00-244-5787
NSN 5975-01-652-9839
NSN 5985-01-232-2120
NSN 5920-01-297-5895