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 6130-00-246-5638
NSN 5930-01-576-3108
NSN 5835-01-055-0447
NSN 5945-01-262-2106
NSN 5950-01-187-9421
NSN 5855-01-535-6275
NSN 5905-00-779-9529
NSN 5895-00-191-9795
NSN 2925-01-416-6927
NSN 5855-00-149-0766
NSN 2925-01-285-7163
NSN 5950-01-655-8144