3a single pressure connection thread class 0.300" single pressure connection thread length 3.180" overall length 0.438" single connection outside diameter 20 single pressure connection thread quantity per inch cylindrical unf single pressure connection thread series
has three 7/16 in. dia holes spaced 1-5/16 in. c to c to accommodate mounting bushing of variable resistors, and three 5/32 in. dia holes spaced 17/32 in. c to c from large hole to accommodate non-turn device.four no. 6-32 nc-3 chromate surface treated
