Used on truck; family of medium tacticle vehicle (fmtv). 2a 1st end thread class 16 1st end thread quantity per inch special o-ring material, per mil-p-5510c, do not dupe to any other nsn zinc surface treated nptf 2nd end thread series
internal pipe thread on one end; male 37 degre set tube fitting with groove for seal ring on other end; seal ring not furnished; pipe end 1/4 in. fnpt; tube end 1/2 in; 90 degree angle
