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 4140-00-940-9595
NSN 6650-00-361-8222
NSN 6620-01-582-2046
NSN 6110-01-085-8896
NSN 7035-01-372-5006
NSN 4140-01-152-2672
NSN 5910-00-952-4221
NSN 5945-00-177-4676
NSN 6105-01-159-4038
NSN 5960-01-418-2641
NSN 5905-00-849-9513
NSN 6650-01-397-6325