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 6240-01-240-7529
NSN 4140-00-099-9205
NSN 6150-01-538-3215
NSN 5835-01-238-3381
NSN 5945-00-811-1634
NSN 5990-00-153-0055
NSN 6130-00-988-3257
NSN 5915-00-290-1569
NSN 6610-01-408-1134
NSN 6135-01-542-4383
NSN 5996-01-606-9454
NSN 5950-01-486-8210