Consists of 1 ea nozzle p/n 331651; 1 ea spring p/n 320462; 1 ea body p/n 318291; 1 ea block p/n 314731; 1 ea gasket p/n 314091; 1 ea o-ring p/n 171000-7; 1 ea washer p/n 73611; 1 ea stem assembly p/n g-331649; 1 ea adjusting screw p/n g-330835; with 0.250-18 nptf thd internal inlet