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 5920-00-486-0482
NSN 6320-00-841-2279
NSN 6105-01-010-4286
NSN 5925-00-704-4491
NSN 5999-01-533-8922
NSN 5930-01-139-3975
NSN 5998-00-950-2398
NSN 6645-01-089-6459
NSN 5945-00-763-5654
NSN 5998-01-527-2790
NSN 6320-00-456-2092
NSN 6650-00-021-9555