Internal keyway width 0.1885min 0.1905max in.; bore provision included; bore diameter 0.625min 0.626max in.; bore length 1.25 in.; distance from center of bore to bottom of keyway 0.4122min 0.4177max in.; commercial bronze; distance from end of hub to center of tapped hole, first end 0.375 in.; concave gear teeth type; circular pitch 0.2618 in.
A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. See also gear, antibacklash, worm wheel.
Classification: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
NSN 6650-01-196-4667
NSN 6620-01-474-1890
NSN 5935-01-367-2771
NSN 5965-01-386-7134
NSN 5998-01-349-0601
NSN 6650-00-294-0881
NSN 5925-01-481-3442
NSN 6620-01-605-1465
NSN 6130-00-715-5579
NSN 6220-00-786-0439
NSN 4140-01-323-4279
NSN 5855-01-110-9564