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 5990-00-951-6927
NSN 6320-01-457-9059
NSN 5915-01-077-9096
NSN 6220-01-430-0171
NSN 6645-00-482-2737
NSN 5960-00-886-3582
NSN 5996-00-205-0211
NSN 6620-01-324-4708
NSN 6240-00-251-5235
NSN 6620-01-152-0936
NSN 5930-01-573-6145
NSN 6105-01-399-0695