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 6650-01-181-2831
NSN 5895-00-801-9118
NSN 6620-01-632-2154
NSN 5999-01-412-1405
NSN 5990-01-546-1649
NSN 5990-01-431-6749
NSN 2925-01-069-5324
NSN 5895-00-189-9953
NSN 6685-00-866-1776
NSN 5960-00-382-6012
NSN 6685-01-495-1322
NSN 5930-01-327-2313