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 5975-00-723-0390
NSN 4140-01-146-5409
NSN 5960-01-088-6553
NSN 7035-01-411-6062
NSN 6135-01-651-7287
NSN 5855-01-417-3250
NSN 5965-01-484-2743
NSN 5960-01-458-0774
NSN 5835-00-770-2843
NSN 5935-00-797-2188
NSN 6645-01-276-6602
NSN 5905-00-661-0531