3a all ends thread class bulkhead threads on fluid end connection; mates with p/n HS4391-1 (nsn 4730-01-164-6723) to form coupling assembly HS4390/4391; operating pressure when coupled is 3000 psi passivate body surface treated male coupling half unjf all ends thread series
Used on next generation radar (nexrad). 3a external thread class right-hand external 12 external thread quantity per inch plug, magnetic un external thread series
Used on c-5b acft. acft hydraulic vacuum deicing systems; mtg type-leg; inlet/outlet valve-not provided; dims:6.700 in. lg from c to c of mtg holes, 3 mtg holes 0.326 in. dia, 3.620 in. wd from ctr of mtg hole to flat side; 3.000 in. hgt; 5-ports
