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 6650-01-399-8552
NSN 5905-00-085-0179
NSN 5985-01-012-0948
NSN 6240-01-276-4954
NSN 5990-01-372-1642
NSN 6610-01-108-6508
NSN 6645-00-487-8044
NSN 6110-01-501-4216
NSN 5999-01-629-9562
NSN 7035-01-366-5912
NSN 5960-00-275-7497
NSN 5950-01-327-2808