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 6650-01-003-9355
NSN 5965-00-113-6874
NSN 6135-00-871-3646
NSN 5998-00-758-0876
NSN 5905-01-085-2265
NSN 5998-00-345-0220
NSN 5985-01-281-5207
NSN 6130-00-553-8758
NSN 2925-01-131-4531
NSN 6645-01-177-6021
NSN 6645-01-459-7788
NSN 6240-01-318-9356