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 5920-01-113-4041
NSN 5999-00-584-4577
NSN 5965-00-823-8623
NSN 5996-01-277-2870
NSN 6320-00-224-3538
NSN 5835-00-233-6327
NSN 5905-00-379-2207
NSN 6645-00-103-2517
NSN 6650-01-613-3642
NSN 5965-01-587-8853
NSN 7035-01-200-4751
NSN 5855-01-364-1005