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 6150-01-366-0733
NSN 6620-01-512-3032
NSN 5985-01-574-5940
NSN 6620-01-435-2784
NSN 5990-01-632-0969
NSN 6610-01-579-2984
NSN 5930-01-651-4117
NSN 5945-01-257-4022
NSN 4140-01-420-3773
NSN 6150-01-417-5693
NSN 2925-00-707-6770
NSN 5915-00-866-5375