3a external thread class right-hand external 0.719" overall length two lock wire holes in hexagon head 0.040 in. min 0.050 in. max drilled 80 degrees apart plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unf external thread series
3b 1st end thread class 14 1st end thread quantity per inch drilled for lockwire 0.070 in. dia 2 places passivate surface treated unjs 1st end thread series