These valves meet the steam solenoid valve requirements cove-eared in MIL-R-16743, Refrigerating Plants and Systems,Mechanical; and Refrigerating System Components - Dichlorodifluoromethane R12 - Naval Shipboard, paragraph3.6.16 the refrigeration plant and systems specification for Naval shipboard use. Valves listed below may be used for many other shipboard applications.