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 4140-01-058-6603
NSN 6145-01-212-4359
NSN 6320-00-300-5556
NSN 5835-00-173-4456
NSN 6650-00-346-8672
NSN 2925-01-481-7170
NSN 6150-01-186-3973
NSN 6620-00-538-8746
NSN 6135-01-387-0754
NSN 5925-01-153-9310
NSN 6645-00-943-9063
NSN 5999-00-740-1300