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 5905-01-358-3949
NSN 6135-01-551-0562
NSN 6610-01-414-7481
NSN 6150-01-228-9121
NSN 6110-01-286-5512
NSN 5835-00-461-3342
NSN 5895-00-783-9033
NSN 5965-01-571-5678
NSN 5996-01-023-7896
NSN 5985-01-458-1543
NSN 5930-01-029-6749
NSN 5996-01-505-0101