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 6240-00-398-0740
NSN 5855-01-426-5589
NSN 5965-01-532-4017
NSN 5950-01-489-7054
NSN 6620-00-810-6774
NSN 5985-00-689-5624
NSN 5835-01-058-1063
NSN 6620-00-226-2285
NSN 5950-01-069-2229
NSN 5935-01-313-9693
NSN 5985-01-401-5387
NSN 5925-01-156-4426