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 6645-00-838-6939
NSN 5925-01-304-9489
NSN 6145-01-477-4320
NSN 6110-01-522-1697
NSN 5915-01-640-9047
NSN 5925-01-372-0863
NSN 5935-00-247-3643
NSN 6650-01-524-2105
NSN 6105-00-809-7509
NSN 4140-00-395-0027
NSN 5990-01-631-5537
NSN 5975-00-753-9409