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 steel
NSN 6110-01-358-5165
NSN 5999-01-401-5322
NSN 6135-00-990-1822
NSN 5915-01-568-5427
NSN 5905-01-599-3258
NSN 6220-01-380-7148
NSN 5945-01-459-1560
NSN 5930-01-263-8162
NSN 5930-01-306-7444
NSN 5990-00-443-2743
NSN 5920-00-495-6663
NSN 6685-01-122-3571