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 5945-01-106-1167
NSN 5925-01-290-8814
NSN 5905-01-193-8201
NSN 7035-01-482-9941
NSN 5975-00-064-8685
NSN 6240-00-242-0003
NSN 6220-01-098-0187
NSN 6135-01-408-9244
NSN 5950-01-620-9003
NSN 5999-01-616-5984
NSN 6685-00-279-3620
NSN 5945-00-566-3692