2a power takeoff facility bushing thread class 20 power takeoff facility bushing thread quantity per inch unc power takeoff facility bushing thread series
2b single mounting facility thread class 4.375" overall length 2.750" overall width 24 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series
2b single mounting facility thread class 7.219" overall length 4.375" overall width 40 single mounting facility thread quantity per inch tap, circuit selector unc single mounting facility thread series
Used on kilauea class t-ae 26, systems, 02n2, forrestal class cv, hayes class t-ag 195, l.p. compressors, nimitz class cvn. 0.250" all connections inside diameter 8.219" overall length 3.594" overall width 18 all pressure connection thread quantity per inch weapon system essential rectangular nptf all pressure connection thread series