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 5960-00-116-9989
NSN 5975-00-910-3461
NSN 6620-00-935-1321
NSN 5960-01-412-0619
NSN 5930-00-539-4042
NSN 5960-00-201-5265
NSN 5855-00-149-0766
NSN 6130-01-476-2835
NSN 6650-01-348-5448
NSN 6650-01-424-3947
NSN 2925-01-389-6874
NSN 6130-00-281-5978