An item permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It is specifically designed and/or cleaned for oxygen systems. See also valve, check; valve, stop-check.
NSN 6610-01-646-8771
NSN 6620-00-904-2139
NSN 5920-01-360-2119
NSN 6220-00-042-3936
NSN 6150-01-066-9329
NSN 5915-01-551-8160
NSN 5975-01-356-6768
NSN 5945-01-471-0410
NSN 5920-01-400-0791
NSN 5985-00-087-9927
NSN 5985-01-031-0644
NSN 5905-01-350-6577