6.156" overall length 4.813" overall width 18 single pressure connection thread quantity per inch rectangular npt single pressure connection thread series
2a single mounting facility thread class 0.437" single mounting facility thread length 5.637" overall length tap, circular, bushing mount unef single mounting facility thread series
2b single mounting facility thread class 11.187" overall length 2.250" overall width 32 single mounting facility thread quantity per inch ninety six dummy terminals twelve each on rear each section tap, square frame unc single mounting facility thread series