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 5920-01-411-7725
NSN 5998-01-643-7385
NSN 5895-01-588-3952
NSN 6610-01-290-2627
NSN 5965-01-592-3051
NSN 5996-01-082-8987
NSN 5945-01-593-5087
NSN 5965-00-804-1374
NSN 5895-01-438-1271
NSN 5910-01-168-0194
NSN 6610-00-701-2600
NSN 2925-01-254-3068