Bore thread size designator: 7/16 - 20 nf; positioning facility bolt circle dia.: 3.750" nom.; positioning facility qty: 4; positioning hole style: tpped; bore counterbore feature: not included; keying facility qty: 1; hub od: 3.500" nom.; thread provision: unthreaded; distance from center of bore to bottom of keyway: 1.437" nom.; keyway wd: 0.625" nom.; recess dep.: 0.750" nom.; recess dia.: 2.750" nom.; flange thickness: 1.500" nom.
No other part numbers with same form, fit, and function found.
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 6645-00-780-5260
NSN 6150-01-463-2577
NSN 5975-01-332-4139
NSN 5920-00-515-3617
NSN 6135-00-735-8530
NSN 5960-01-431-4291
NSN 2925-01-203-0493
NSN 6650-01-094-2010
NSN 5835-01-268-1924
NSN 5945-01-118-9654
NSN 5855-01-187-2293
NSN 6685-00-105-3354