3b first quick disconnect end thread class 3.578" overall length 16 first quick disconnect end thread quantity per inch passivate body surface treated coupling assembly unjf first quick disconnect end thread series
Used on aircraft application. 3a all ends thread class 12 all ends thread quantity per inch anodize inside surface treated flareless w/ offset wrenching facility un all ends thread series
3a external thread class right-hand external 0.734" overall length passivate surface treated plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic unf external thread series
