An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.
Classification: Other taps, cocks, valves, etc., nesoi
NSN 6145-01-570-3556
NSN 6150-01-483-2932
NSN 5945-00-398-1072
NSN 5950-01-477-0547
NSN 5985-01-623-2454
NSN 5910-01-408-6839
NSN 6685-00-892-2454
NSN 6320-01-334-9840
NSN 6685-01-629-5028
NSN 5985-01-398-1064
NSN 6620-00-324-0930
NSN 5985-01-448-3247