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 5975-01-336-6353
NSN 5990-00-887-0147
NSN 5996-01-533-7803
NSN 6620-01-562-8816
NSN 5915-01-318-9446
NSN 6650-01-247-6623
NSN 5975-01-155-7084
NSN 5915-01-384-3283
NSN 6685-01-295-8547
NSN 5895-01-243-1621
NSN 5990-01-400-3299
NSN 5965-01-296-8991