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 5915-01-168-6570
NSN 5960-01-190-7725
NSN 6105-01-634-0322
NSN 6240-01-061-7359
NSN 5985-01-647-3401
NSN 2925-01-471-4912
NSN 5990-01-243-4233
NSN 5855-01-165-2177
NSN 6135-01-477-2744
NSN 7035-00-179-3924
NSN 6610-01-013-4764
NSN 6685-01-133-5608