Anderson Metals 56121 Brass Pipe Fitting, Cored Hex Head Plug, 1/2" NPT Male Pipe
One piece construction, available in barstock or forgings. Used with brass pipe. All pipe threads are "American Standard Taper Pipe Threads". Fair vibration resistance. Used in low to medium pressure applications. Tape or pipe sealant is recommended. Pipe threads should be tightened 2-1/2 turns past finger tight.