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 5925-01-426-6923
NSN 5975-00-018-7143
NSN 6150-00-489-8823
NSN 5945-01-172-5700
NSN 5960-01-331-3817
NSN 5920-00-991-2262
NSN 6145-01-424-0354
NSN 6620-01-384-2105
NSN 4140-00-763-2325
NSN 5965-01-150-6315
NSN 6610-01-064-5792
NSN 5920-01-296-0178