Permits manual draining for freezing conditions
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 5905-01-293-3138
NSN 6105-01-082-3101
NSN 5905-00-842-4251
NSN 5935-00-644-5158
NSN 2925-00-856-0115
NSN 5990-01-514-8030
NSN 5835-01-498-9410
NSN 5835-01-035-2976
NSN 5998-01-410-7471
NSN 5920-00-140-8912
NSN 5945-01-144-5401
NSN 5925-01-370-5793