12 Teeth Shaft-coupling NSN 4320-00-057-8695

Grumman aircraft, model a10

Bsteel; nickel plate spline and serration; 3.103 inch length by 0.188 inch diameter; yoked each end; external spline with 12 involute teeth, 0.30000 inch pitch diameter, 40/80 pitch, 30 degree pressure angle; 0.3250 , 0.3220 inch , major diameter; 0.2500 inch , 0.2420 inch , minor diameter; 0.0366 inch , 0.0354 inch circular tooth thickness; measurement over 0.0480 inch diameter pins; external serration with 12 involute teeth, 0.25000 inch pitch diameter, 48/96 pitch, 45 degree pressure angle; 0.2708 inch , 0.2678 inch major diameter; 0.2291 inch , 0.2221 inch minor diameter; 0.0344 inch , 0.0332 inch circular tooth thickness

4320 Power And Hand Pumps

000578695

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