Used on 2520-01-417-4144; transmission, hydraulic, vehicular. 2a 2nd end thread class hydraulic 37 degree flared tube 45 degree elbow nptf 1st end thread series
20 1st end thread quantity per inch connection style 1st end flareless (tube) 2nd end plain (pipe) cadmium surface treated elbow nptf 2nd end thread series