Used on nitrogen/oxygen cylinder. 3a 2nd end thread class 12 2nd end thread quantity per inch drain plug 1st end .877 inch counter bore for dip tube; 2nd end tube range from .875 to 1.875 inch; used with cap on 2nd end to form drain plug un 1st end thread series
Used on flask,compressed gas cylinder. 3a external thread class right-hand external 3.375" overall length 8 external thread quantity per inch drain plug nitrogen/oxygen cylinder fitting plug, machine un external thread series
Used on c-130j hercules aircraft. 3.930" overall length valve-fixed, orifice restrictor, two-way filtered proof pressure 6500.0 pounds per square inch; burst pressure 7500.0 pounds per square inch; operating altitude 45000.0 feet; filter element winding is spaced 0.008 to 0.012 inch apart; weight 0.200 pound; anodized color red
