Distance from center of bore to bottom of keyway: 1.250" nom.; distance from bore centerline to body keying facility bottom/top: 2" nom.; threaded hole location (1) hole on top of key, (1) hole 90 deg. From keyway, both holes 2" from end of hub; body keying facility wd: 3.609" nom.; body keying facility dep/ht: 1.250" nom.; hole thread size designator: 1/2 - 13; threaded hole qty: 2; securing method: threaded hole; bore counterbore feature: not included; keying facility: 1; hub od: 4.125" nom.; thread provision: unthreaded; keyway wd: 0.375" nom.; taper major dia.: 1.999" min., 2" max.; flange thickness: 2.250" 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 5990-01-529-8433
NSN 5960-00-920-5305
NSN 4140-00-969-9602
NSN 5998-01-467-2423
NSN 6610-01-106-5012
NSN 5925-01-630-7681
NSN 5925-01-259-7785
NSN 5999-01-501-0694
NSN 2925-01-647-7225
NSN 6130-01-474-3150
NSN 5998-01-250-6257
NSN 6145-01-188-5856