Usteel; no of teeth 27; normal diametral pitch 12; normal pressure angle 20 deg; pitch diameter 2.4354 in.; normal circ pitch (ref).2618 in.; whole depth .200 in.; helix angle 22.5 deg; helix lead (rh) 18.4684 in.; addendum .0833 in.; normal chordal thkns .13082 in.; root diameter (ref) 2.202 in.; base cir diameter (ref) 2.2659 in.; permissible backlash .002 in. To .004 in. When meshing with master gear which is to standard size and at standard center distance of 2.435 in. Or 3.653 in.; heat treat to rc 27-34
A gearshaft with a single complement of helical gear teeth. For items with more than one complement of teeth, see gearshaft (1), multiple gears.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 6650-01-556-1929
NSN 5950-00-336-5830
NSN 6650-01-141-5999
NSN 6150-01-481-8603
NSN 7035-00-371-7749
NSN 4140-01-464-9837
NSN 6610-01-013-8922
NSN 5855-01-177-4751
NSN 5945-01-292-5858
NSN 2925-00-943-2263
NSN 5999-01-556-7931
NSN 7035-01-518-4418