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.
Classification: Check valves of steel
NSN 5960-01-563-4797
NSN 6610-01-342-9774
NSN 6620-01-369-5876
NSN 6105-00-699-9186
NSN 5905-01-091-6898
NSN 5910-00-548-6505
NSN 5975-00-067-5236
NSN 5950-01-267-5772
NSN 6145-00-188-3653
NSN 4140-01-227-4674
NSN 5935-01-054-3862
NSN 6685-01-005-8982