3a 2nd end thread class the internal surfaces of the permaswage ends, will be steel, tetrafluoroethylene coated, per deutsch co. spec no. DMCPS1009, to 0.220 in. min, 0.270 in. max into the fitting bore passivate inside surface treated unjf 2nd end thread series
2a external thread class right-hand external 0.800" overall length round, knurled drive end passivate surface treated plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic unf external thread series