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 6650-01-341-9838
NSN 5855-01-521-8616
NSN 6645-01-324-1956
NSN 6610-00-237-4667
NSN 5999-01-464-3250
NSN 6130-00-939-7216
NSN 5835-01-561-2959
NSN 6610-00-832-3134
NSN 5996-01-027-0702
NSN 5930-01-282-1967
NSN 5996-00-644-4662
NSN 5950-01-287-9249