Used on f-15s purifier unit with p/n 68d110059-1003. mfr name: cap; 1.940 dia by 2.43 deep; 2.000-18uns-2b; 1.25 depth of complete thds; cbore 2.000 by .20 deep
3a all ends thread class 2.873" overall length 12 all ends thread quantity per inch nitrile seal; 70.0 psig relief valve passivate body surface treated male coupling half unj all ends thread series
2b internal thread class right-hand internal 12 internal thread quantity per inch has beaded chain 5 ins. long with a fastener ring at the end. cap, tube, flared un internal thread series