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 steel
NSN 5925-01-091-4577
NSN 5915-01-252-8683
NSN 5920-01-035-2503
NSN 5960-00-583-1534
NSN 7035-01-068-3300
NSN 5915-00-934-3446
NSN 5950-01-308-1697
NSN 6610-01-617-6495
NSN 6135-00-898-6996
NSN 5998-00-185-8107
NSN 6150-01-259-9285
NSN 2925-00-880-4061