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 6320-00-905-0543
NSN 6220-01-497-0272
NSN 5945-01-354-6635
NSN 6105-01-474-5246
NSN 6135-00-726-4142
NSN 5915-01-423-8561
NSN 5855-00-688-9954
NSN 5965-00-529-0602
NSN 5935-01-112-0773
NSN 5905-01-224-6526
NSN 6105-00-548-3547
NSN 6650-01-291-3164