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 6645-01-457-3810
NSN 6150-01-511-8644
NSN 6645-01-290-1013
NSN 6650-01-269-3845
NSN 4140-01-414-5320
NSN 5965-00-894-0015
NSN 5950-01-281-5560
NSN 5945-01-547-5684
NSN 6685-00-226-0948
NSN 5965-00-735-9315
NSN 5915-01-535-6666
NSN 6320-01-054-3046