3a 2nd end thread class 12 all ends thread quantity per inch 37 deg surface shall be free of anodize passivate surface treated unj all ends thread series
3b 1st end thread class 14 1st end thread quantity per inch swage end green plastic coated 0.281 in.into id passivate inside surface treated unjs 1st end thread series
3a 2nd end thread class plastic, polytetrafluoroethylene coating shall cover all external surfaces except bulkhead end anodize surface treated unjf 2nd end thread series
3a 2nd end thread class 24 2nd end thread quantity per inch black polytetrafluoroethylene coated as specified on seat of 2ndthd connection end passivate outside surface treated unjs 2nd end thread series