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 6685-01-466-9005
NSN 4140-01-268-9129
NSN 6130-01-308-6774
NSN 5855-00-411-8688
NSN 5996-00-400-8209
NSN 5910-00-808-9745
NSN 5996-01-227-4496
NSN 5996-01-154-2005
NSN 6145-01-365-6527
NSN 5985-01-434-1573
NSN 6145-01-168-4027
NSN 5910-00-755-9748