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 5950-01-073-4702
NSN 6620-00-764-3057
NSN 7035-00-300-3208
NSN 5935-01-429-9062
NSN 6220-01-449-2014
NSN 6145-01-406-5051
NSN 6240-00-770-7647
NSN 6135-00-660-8654
NSN 5855-01-074-6784
NSN 5935-00-422-5467
NSN 6150-01-458-7887
NSN 4140-00-862-5644