Used on hemtt family (heavy expanded mobility tactical trucks); mrap rg-33. 2a all ends thread class 12 all ends thread quantity per inch chromate surface treated un all ends thread series
3a 2nd end thread class 14 1st end thread quantity per inch KC108c-10; machined groove in flared end to accommodate seal ring per KC103 passivate surface treated unf 1st end thread series
3a 2nd end thread class KC129c-10; machined groove in flared end 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 KC129c-32; machined groove in flared end to accommodate seal ring per KC103 passivate surface treated un 1st end thread series
2a 2nd end thread class 12 1st end thread quantity per inch second end has groove at end before threads passivate surface treated un 2nd end bulkhead thread series
3a 2nd end thread class 12 1st end thread quantity per inch KC108c-32; machined groove in flared end to accommodate seal ring per KC103 passivate surface treated un 1st end thread series