3a 2nd end thread class KC111c-10; machined groove in flared ends to accommodate seal ring per KC103 passivate surface treated unf 1st end thread series
3a 2nd end thread class 12 1st end thread quantity per inch KC111c-20; machined groove in flared ends to accommodate seal ring per KC103 passivate surface treated un 1st end thread series
3a 3rd end thread class KC119c-10; machined groove in flared ends to accommodate seal ring per KC103 passivate surface treated unf 1st end thread series
3a 2nd end thread class KC120C10; machined groove in flared ends to accommodate seal ring per KC103 passivate surface treated unf 1st end thread series
3a 3rd end thread class 12 1st end thread quantity per inch KC120C20; machined groove in flared ends to accommodate seal ring per KC103 passivate surface treated un 3rd end thread series