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 5998-01-531-1060
NSN 5930-00-530-3818
NSN 6110-01-611-7620
NSN 6135-00-982-1882
NSN 5985-00-719-9944
NSN 5905-00-630-5830
NSN 6220-01-066-5529
NSN 6220-00-426-6340
NSN 6645-01-484-4158
NSN 7035-01-622-9809
NSN 6135-01-382-9278
NSN 6610-00-527-8892