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 5910-00-399-0734
NSN 5915-01-323-6372
NSN 5960-00-178-0968
NSN 5975-01-432-8002
NSN 6110-01-386-3093
NSN 5990-01-215-0590
NSN 4140-01-377-2552
NSN 5905-00-808-4660
NSN 6130-01-256-5534
NSN 7035-01-529-4603
NSN 5996-00-183-7718
NSN 2925-00-596-9775