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.
NSN 6645-01-633-1852
NSN 6240-01-565-3840
NSN 2925-00-964-7128
NSN 5910-00-574-0480
NSN 6610-01-007-5997
NSN 5965-01-660-9081
NSN 6610-00-161-7439
NSN 6150-00-909-7339
NSN 5935-00-758-4758
NSN 5935-01-032-5442
NSN 6620-01-649-7511
NSN 6610-01-563-1809