3a all ends thread class 20 all ends thread quantity per inch unthreaded portion at end of first end 0.078-0.125 in. lg; made from AN837-4j passivate inside surface treated unf all ends thread series
3b 1st end thread class 20 1st end thread quantity per inch body matl steel comp xm-11 uns S21904 passivate body surface treated unjs 1st end thread series
3a 2nd end bulkhead thread class 12 2nd end thread quantity per inch polytetrafluoroethylene coating shall cover allexternal surfaces except bulkhead end anodize surface treated unj 2nd end thread series
3b 1st end thread class the internal surface of the permaswage end will be polytetrafluoroethylene coated per deutsch co. spec no. dmcps 1009 to 0.410 in. min 0.435 in. max into the fitting bore unjf 1st end thread series
3b 1st end thread class 12 1st end thread quantity per inch the internal surface of the permaswage end will be polytetrafluoroethylene coated per deutsch co. spec no. dmcps 1009 to 0.365 in. min 0.390 in. max into the fitting bore unj 1st end thread series
3b 1st end thread class the internal surface of the permaswage end will be polytetrafluoroethylene coated per deutsch co. spec no. dmcps 1009 to 0.325 in. min 0.350 in. max into the fitting bore anodize surface treated unjf 1st end thread series
