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 6620-00-455-9668
NSN 5985-01-547-6572
NSN 6130-00-418-4973
NSN 6105-01-334-9807
NSN 5950-01-015-4990
NSN 5895-01-651-2198
NSN 6650-01-615-8806
NSN 6145-00-064-4918
NSN 5985-01-383-0486
NSN 5910-01-463-1783
NSN 5990-01-626-2818
NSN 6610-00-155-1334