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 6610-00-405-9700
NSN 5999-00-805-2150
NSN 6620-00-952-6672
NSN 6220-01-068-9941
NSN 5965-01-003-2641
NSN 6220-01-267-7945
NSN 6145-01-347-5991
NSN 6145-00-964-3031
NSN 6645-01-076-4655
NSN 6685-00-684-7891
NSN 6135-01-419-5574
NSN 6240-01-178-5604