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 5960-00-269-4762
NSN 5975-01-531-3060
NSN 5915-01-605-2060
NSN 5905-01-220-3031
NSN 5945-01-354-4066
NSN 6650-01-181-6037
NSN 5985-01-242-8895
NSN 5915-00-267-8911
NSN 5895-00-116-7411
NSN 5999-01-399-0271
NSN 6685-01-118-2049
NSN 5915-00-767-1758