NSN 5930-01-113-2319 is used on Navy Air Rescue boats. Its fluid medium is diesel fuel and its approximate size is 2 1/2 x 3/4 inches and weighs 3 oz. maximum. Its pressure port is per MS33656-4 and its electrical connector is per MS3114H8C33P. It is set to trip at 36.5±3.5 psig and untrip on decreasing pressure from 3 to 10 psig lower than increasing pressure trip point, but “not” lower than 30 psig! It meets all the requirements per NAVSEA Drawing 2589901, Rev C.