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 6650-01-371-2198
NSN 6650-00-868-9092
NSN 5835-00-025-9951
NSN 6610-00-791-4705
NSN 6135-00-577-8429
NSN 5950-00-727-6836
NSN 5920-01-348-6680
NSN 6685-00-346-2340
NSN 5925-01-625-8942
NSN 6610-00-816-0655
NSN 6220-01-250-7228
NSN 6610-01-492-6515