3/16 INCH HEX ALLEN HEAD; PORTING - 3/8 INCH BSP; SEALS - BUNA N; OPERATING PRESSURE - 240 BAR (3500 PSI); TEMPERATURE - MINUS 40 DEG C TO 120 DEG C; FLUIDS - MINERAL-BASED OR SYNTHETICS WITH LUBRICATING PROPERTIES AT VISCOSITIES OF 7.4 TO 420 CST (50 TO 2000 SSU)