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 materials other than copper, iron or steel
NSN 6105-00-779-4108
NSN 5920-00-846-6632
NSN 6110-01-376-4872
NSN 7035-00-371-7749
NSN 5950-01-503-0747
NSN 6620-00-483-1961
NSN 5975-00-239-2364
NSN 6130-01-634-0603
NSN 5990-01-138-8981
NSN 5835-00-690-8898
NSN 6110-01-200-7447
NSN 7035-01-443-3052