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 5996-00-518-4880
NSN 5835-01-632-6627
NSN 5975-00-104-9989
NSN 5975-01-088-9053
NSN 5895-01-569-1485
NSN 5925-01-384-1608
NSN 4140-01-557-5790
NSN 5950-01-023-6955
NSN 5950-00-666-1887
NSN 6320-01-166-3602
NSN 6130-01-250-6206
NSN 6620-00-452-5738