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 5998-01-376-9451
NSN 6645-00-841-0026
NSN 6240-01-329-2453
NSN 5930-01-654-5399
NSN 6645-00-287-9192
NSN 6650-01-495-3744
NSN 5965-00-236-0016
NSN 6220-01-108-9001
NSN 5965-01-462-9340
NSN 6150-00-366-4113
NSN 5999-01-484-6526
NSN 5990-01-288-7393