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 5930-01-438-6954
NSN 5950-01-076-4232
NSN 5999-00-339-3005
NSN 6610-00-551-3610
NSN 5935-01-352-5858
NSN 5990-00-863-8628
NSN 6320-01-442-3428
NSN 5985-01-119-9094
NSN 5999-00-102-9554
NSN 5999-01-388-2942
NSN 5935-01-562-3914
NSN 5905-01-056-7587