Used on aircraft application. 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch cadmium surface treated flaremess w/ bulkhead threads unj 1st end bulkhead thread series
3a all ends thread class 2.790" overall length bulkhead on fluid end connection passivate body surface treated male coupling half unf all ends thread series
Used on an-sps-48 radar search. 3a all ends thread class aluminum coupling ring; bonded elastomer to metal passivate body surface treated male coupling half unjf all ends thread series