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 5835-00-764-4388
NSN 5915-01-461-3089
NSN 5960-00-840-7103
NSN 5905-01-003-4956
NSN 5965-01-381-2998
NSN 5945-01-202-8363
NSN 7035-01-311-8424
NSN 6145-01-560-7233
NSN 6685-00-180-0349
NSN 6685-00-338-0216
NSN 5999-01-141-4994
NSN 6620-01-478-9667