Used on nsn 4210-01-486-1035 tfft (tactical fire fighting truck). 3a 2nd end thread class surface treatment zinc-dichromate (gold) unf all ends thread series
3a 2nd end thread class 12 1st end thread quantity per inch KC131C28; machined groove in flared end to accommodate seal ring per KC103 passivate surface treated un 1st end thread series
3a 2nd end thread class KC132c-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 KC132c-32; machined groove in flared end to accommodate seal ring per KC103 passivate surface treated un 1st end thread series