Amodified boston gear p/n fc12-3/8; 3 jaw; body keying facility depth/ht: 0.437" nom.; hole thread size designator: 3/16-32; threaded hole location: opposite keyway; threaded hole qty: 1; securing method: threaded hole; bore counterbore feature: not included; keying facility qty: 1; keying facility: included; o/a outside dimension: 1.250" nom.; hub od: 0.875" nom.; furnished item & qty (1) setscrew; thread provision: unthreaded; flange thickness: 0.545" 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 6240-00-186-6611
NSN 5905-00-310-4495
NSN 5895-01-084-3692
NSN 5950-01-248-1248
NSN 6240-01-030-4746
NSN 7035-00-565-9623
NSN 6610-00-862-5501
NSN 5998-00-768-2357
NSN 5990-00-977-9261
NSN 5975-01-183-8797
NSN 5925-00-392-6164
NSN 5950-00-781-5446