3a 3rd end thread class 12 1st end thread quantity per inch KC121C20-16; machined groove in flared ends to accommodate seal ring per KC103 un 3rd end thread series
3a 3rd end thread class 12 1st end thread quantity per inch KC121C20-20; machined groove in flared ends to accommodate seal ring per KC103 un 3rd end thread series
3a 3rd end thread class 12 1st end thread quantity per inch KC121C24-20; machined groove in flared ends to accommodate seal ring per KC103 un 3rd end thread series
3a 2nd end thread class 12 1st end thread quantity per inch KC122C12-12; machined groove in flared ends to accommodate seal ring per KC103 un 1st end thread series
3a 2nd end thread class 12 1st end thread quantity per inch KC122C16-12; machined groove in flared ends to accommodate seal ring per KC103 un 1st end thread series