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 6110-00-966-6387
NSN 5985-01-143-2545
NSN 5990-00-362-1453
NSN 5925-01-150-4559
NSN 6620-01-495-7446
NSN 5920-00-486-0482
NSN 6685-01-521-3127
NSN 6110-01-179-6731
NSN 5895-01-145-5358
NSN 5855-01-568-7772
NSN 6320-00-857-4073
NSN 6130-00-359-2747