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 6105-01-634-0322
NSN 6150-00-862-3247
NSN 6645-00-558-0028
NSN 5990-01-328-9846
NSN 5930-00-473-2721
NSN 6645-00-498-6869
NSN 6650-01-085-2388
NSN 5915-01-008-6268
NSN 4140-01-243-3187
NSN 6130-01-213-2266
NSN 6145-01-440-9225
NSN 5920-00-681-1172