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 5930-00-469-1600
NSN 6135-01-347-0201
NSN 4140-01-022-7608
NSN 6150-01-639-8152
NSN 5960-01-531-9108
NSN 5930-01-571-3112
NSN 5975-01-359-9617
NSN 6240-01-433-8639
NSN 6240-01-186-6448
NSN 5996-00-973-4179
NSN 5920-00-616-4087
NSN 5930-00-274-3994