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 5985-01-281-6990
NSN 6610-00-374-1563
NSN 6220-00-171-8638
NSN 4140-01-213-4908
NSN 7035-01-114-3134
NSN 4140-01-334-1597
NSN 6135-01-384-5906
NSN 5999-00-960-0201
NSN 6110-01-558-1017
NSN 6240-01-584-6450
NSN 6240-01-347-0072
NSN 5999-01-333-2104