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 6610-01-352-5500
NSN 6135-00-377-9165
NSN 5915-01-462-0432
NSN 5965-01-353-0085
NSN 5965-01-350-1890
NSN 5975-01-267-3136
NSN 6220-01-425-1132
NSN 5945-01-134-1175
NSN 6105-00-171-6521
NSN 5990-00-276-8650
NSN 6110-01-012-1759
NSN 5960-00-926-7309