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 5935-00-518-1754
NSN 6220-01-449-1239
NSN 5996-00-248-7061
NSN 6220-01-444-3972
NSN 6240-01-653-0265
NSN 5855-00-482-9876
NSN 5998-00-411-2879
NSN 5920-01-008-9339
NSN 6645-00-445-8143
NSN 6220-00-456-2911
NSN 6220-01-420-9103
NSN 6130-01-453-1986