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 6610-01-038-2122
NSN 4140-01-123-9149
NSN 5935-00-534-7556
NSN 6110-01-202-1483
NSN 6145-01-431-1394
NSN 6130-01-440-9792
NSN 5915-00-116-0987
NSN 5935-01-272-9592
NSN 5996-00-175-7782
NSN 5905-01-025-6638
NSN 5998-01-063-7066
NSN 5990-01-534-8609