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 5930-01-206-7661
NSN 5965-01-426-1282
NSN 2925-01-587-3956
NSN 5960-01-170-4057
NSN 5999-00-579-9513
NSN 6130-00-942-8775
NSN 5998-01-227-2764
NSN 5935-01-361-7290
NSN 4140-00-551-3151
NSN 5996-00-643-7374
NSN 6240-01-253-0687
NSN 6645-00-663-8111