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 6130-01-224-5521
NSN 6650-00-935-4247
NSN 5965-00-161-1512
NSN 5990-01-140-5497
NSN 5930-01-461-1778
NSN 5915-00-156-7188
NSN 5985-01-532-7444
NSN 6645-01-114-8044
NSN 5996-00-952-3452
NSN 6110-01-350-2533
NSN 6110-00-418-9363
NSN 6150-01-201-9789