2b single mounting facility thread class 1.500" overall length 0.750" overall width 48 single mounting facility thread quantity per inch unc single mounting facility thread series
2a thread class right-hand 0.688" overall length 1.625" overall width 18 thread quantity per inch chromate surface treated box/wall mount external thread unef thread series
Used on helicopter, rh-53; helicopter, ch-53a/d/e; helicopter, mh-53e; helicopter, super jolly h-53; helicopter, sof/hh-53h pave low. 2b all threaded hole thread class 2.500" overall length 2.500" overall width 20 all pressure connection thread quantity per inch unc all threaded hole thread series
ucontact data, 2pdt, 5 amps at 115 vac 60 hz, time delay 900 seconds, temp range minus 55 deg c to plus 70 deg c, hermetically sealed, 1.906 in. max lg, 1.891 in. max w, 3.969 in. max h, two 0.140 in. dia mtg holes spaced 1.531 in. c to c
