Fsc application data: marine transmission; bore counterbore feature: not included; keying facility qty: 1; hub od: 3.500" nom.; thread provision: unthreaded; keyway wd: 0.499" min., 0.500" max.; flange thickness: 1.125" nom.; distance from center of bore to bottom of keyway: 0.73312; (2) holes 1/2 - 13 thd size, located on 2 - 7/8" dia. Bolt circle, 180 deg. Apart
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 5855-01-136-9532
NSN 5998-01-373-5272
NSN 4140-01-519-6178
NSN 5960-01-588-8410
NSN 5998-01-479-4392
NSN 5895-00-223-3869
NSN 5915-01-118-5765
NSN 6320-01-525-4789
NSN 6105-01-076-3844
NSN 5835-01-495-5986
NSN 5950-01-027-6548
NSN 5950-01-385-4668