2b 1st end thread class 14 1st end thread quantity per inch the internal surface of permaswage ends will be polytetraflouroethylene coated per deutsch co spec no. DMCPS1009 to 220 in. min. 0.270 in. max; into the fitting bore unjs 1st end thread series
3b 1st end thread class 20 1st end thread quantity per inch for repair only; the internal surface of permaswage end will be polytetrafluoroethylene coated per deutsch co spec no. DMCPS1009 to 220 unjs 1st end thread series
3b 1st end thread class 18 1st end thread quantity per inch the internal surface of permaswage ends will be polytetrafluoroethylene coated per deutsch co spec no. DMCPS1009 to 220 in. min 0.270 in. max into the fitting bore; use for repairs only passivate surface treated unjs 1st end thread series