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 6240-01-556-7096
NSN 6110-01-495-1158
NSN 5855-01-570-3195
NSN 5950-01-047-4531
NSN 5999-01-243-0781
NSN 5910-01-112-0835
NSN 5965-01-236-4076
NSN 5920-00-729-3734
NSN 5998-01-535-8895
NSN 6320-00-456-0836
NSN 5930-00-789-8637
NSN 6105-01-385-2586