2a 1st end thread class seating surfaces finished to 100 microinch rms max on 3 ends.anneal 850 deg f to rockwell 350 hardness unf 1st end thread series
Used on f-18 aircraft, f-15 aircraft, b-1b aircraft, and b-2 bomber (atb); support equipment: b-2 bomber. 3a 2nd end thread class 20 all ends thread quantity per inch weapon system essential unj all ends thread series
Used on aircraft application. the internal surface of the permaswage end will be polytetrafluoroethylene coated, per deutsch co.spec no.dmcps 1009 to 0.325 in.min.0.350 in.max.into the fitting bore passivate surface treated
