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 6645-01-322-8897
NSN 2925-01-175-1217
NSN 6220-01-306-2428
NSN 5925-01-060-3403
NSN 6150-00-468-5416
NSN 5930-01-585-2117
NSN 5965-00-884-2344
NSN 5985-00-305-4787
NSN 5930-01-568-4441
NSN 5920-01-070-6603
NSN 6610-01-351-4607
NSN 5905-01-583-3269