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 5855-01-175-2465
NSN 5999-01-495-4041
NSN 5920-01-501-5961
NSN 5965-00-854-2075
NSN 5999-00-240-3269
NSN 5855-00-110-9341
NSN 5985-01-620-5451
NSN 5855-01-254-3110
NSN 5998-01-503-7057
NSN 5920-01-487-3700
NSN 6110-01-186-3120
NSN 5905-01-123-8993