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 5905-01-157-8275
NSN 6645-00-163-9580
NSN 5935-00-110-7529
NSN 5965-00-006-8004
NSN 6610-01-464-3037
NSN 6105-01-321-0936
NSN 5985-01-398-1064
NSN 5996-00-645-9022
NSN 5985-00-439-5819
NSN 6650-00-342-6447
NSN 6610-00-451-8840
NSN 5945-01-142-9278