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 5895-01-150-4757
NSN 5910-00-707-4900
NSN 5960-01-419-9156
NSN 5960-00-523-9767
NSN 5930-00-100-3938
NSN 6105-01-425-0284
NSN 6610-00-059-6569
NSN 6320-00-701-0437
NSN 4140-00-165-6535
NSN 5998-01-422-4928
NSN 6685-01-630-0729
NSN 5905-01-615-9472