Used on truck; family of medium tacticle vehicle (fmtv); family of hemtt vehicles (heavy expanded mobility tactical trucks). 2a 2nd end thread class 16 all ends thread quantity per inch speical o-ring material, per mil-p-5510c, do not dupe to any other nsn un all ends thread series
2a external thread class right-hand external 0.407" overall length passivate surface treated plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unf external thread series
2a all ends thread class 16 1st end thread quantity per inch special o-ring material, per mil-p-5510c, do not dupe to any other nsn un 1st end thread series