A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Classification: Check valves of materials other than copper, iron or steel
NSN 6135-00-315-1187
NSN 5910-01-411-6027
NSN 4140-01-248-7899
NSN 5998-01-305-6749
NSN 5999-00-540-7822
NSN 5920-01-024-0592
NSN 5905-00-222-8068
NSN 5835-01-155-0786
NSN 5915-01-392-1184
NSN 5990-00-067-6791
NSN 5990-01-029-0868
NSN 6130-01-548-9459