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 5960-00-407-1728
NSN 6135-00-932-3136
NSN 5925-01-369-2816
NSN 5855-01-254-6826
NSN 5960-01-536-9763
NSN 6130-00-277-7321
NSN 5925-01-075-8932
NSN 5985-01-259-8446
NSN 5965-01-119-1898
NSN 5950-01-220-5440
NSN 6620-00-452-5738
NSN 5945-01-102-6489