0.188 in. Orifice
A valve 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 may be inline or cartridge (manifold) design.
NSN 6105-00-889-6061
NSN 6610-01-509-2048
NSN 6220-01-444-4913
NSN 6685-00-331-1611
NSN 6320-01-478-9351
NSN 6685-01-315-8565
NSN 5915-01-652-1173
NSN 5935-01-602-8366
NSN 5985-00-081-1885
NSN 6685-01-359-1760
NSN 6150-01-634-0575
NSN 5998-01-032-4722