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 5975-00-959-8304
NSN 6610-01-541-0880
NSN 6685-00-350-2572
NSN 5975-01-216-8288
NSN 5835-01-644-4958
NSN 6650-01-014-0931
NSN 6130-01-613-1184
NSN 5895-01-265-1095
NSN 5895-00-450-6493
NSN 5965-00-243-9496
NSN 6105-01-337-4427
NSN 6110-01-428-2937