2a all ends thread class 12 all ends thread quantity per inch orfs tube end to straight thread o-ring mrc cqgm is dynamic (4:1) , static (3:1) is 9600.0 psi; threads are un/unf passivate surface treated un all ends thread series
2a all ends thread class 12 all ends thread quantity per inch straight thread connector - orfs tube end to straight thread 0-ring mrc cqgm is dynamic (4:1) , static (3:1) is 11, 400.0 psi; threads are un/unf passivate surface treated un all ends thread series
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 SHIP. 2a 1st end thread class 16 2nd end thread quantity per inch connector, female weapon system essential; o'ring face seal; o'ring material sets temperature range; has lockwire hole; material is tiodized grade 2 titanium un 2nd end thread series
Used on misc spares. 2a 2nd end thread class 16 2nd end thread quantity per inch adapter fitting weapon system essential; o'ring face seal second end; 316 stainless steel un 2nd end thread series
3a all ends thread class 16 all ends thread quantity per inch male connector, tube to male straight thread - body only center wrenching hex is 0.875 in across flats; port dia is 0.440 in un 1st end thread series
2a 1st end thread class 18 1st end thread quantity per inch adapter, tube to boss, o-ring, flared military specification MS51525b cadmium surface treated unf 1st end thread series
Used on aircraft, sof (ac-130h, mc-130h, ec-130e, hc-130). 2a all ends thread class adapter, straight, tube to boss, o-ring, flareless type, hydraulic unf all ends thread series