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 6105-01-399-7686
NSN 6650-00-717-8913
NSN 6135-01-027-7543
NSN 5965-01-258-5662
NSN 5935-00-217-7959
NSN 6650-00-242-7961
NSN 5855-00-179-8588
NSN 6135-00-170-8819
NSN 5835-00-289-9080
NSN 6145-01-076-8202
NSN 6645-01-231-6636
NSN 5855-00-916-2236