Used on helicopter, apache ah-64. 3b 1st end thread class 20 1st end thread quantity per inch supports grumman A10 aircraft anodize surface treated uns 1st end thread series
3a 1st end thread class 12 1st end thread quantity per inch machined groove in flared ends to accommodate seal rings per KC103 passivate outside surface treated un 1st end thread series
3a 2nd end thread class 12 1st end thread quantity per inch machined groove in flared ends to accommodate seal rings per KC103 passivate outside surface treated un 1st end thread series
3a 2nd end thread class 12 1st end thread quantity per inch machined groove in flared ends to accommodate seal rings per KC103 passivate outside surface treated un 1st end thread series
3a 2nd end thread class 12 1st end thread quantity per inch machined groove in flared ends to accommodate seal rings per KC103 passivate outside surface treated un 1st end thread series
3a 2nd end thread class 12 1st end thread quantity per inch machined groove in flared ends to accommodate seal rings per KC103 passivate outside surface treated un 1st end thread series
3a 2nd end thread class machined groove in flared end to accommodate seal ring per KC103, with swivel nut passivate outside surface treated unf 2nd end thread series