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 6610-00-500-0180
NSN 5960-01-414-1677
NSN 6650-01-338-6042
NSN 6150-01-630-3387
NSN 5975-00-456-0627
NSN 5930-00-233-4228
NSN 6620-01-263-6697
NSN 6145-00-754-8372
NSN 5950-01-492-9908
NSN 7035-01-505-0028
NSN 5999-01-143-7675
NSN 6145-01-658-4938