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 5950-01-390-2462
NSN 5945-01-551-2804
NSN 6110-01-384-3259
NSN 6320-00-116-3658
NSN 5925-01-472-6511
NSN 5855-00-586-6255
NSN 5998-01-408-6260
NSN 6105-01-099-2837
NSN 5935-01-359-4303
NSN 5945-01-068-3503
NSN 5910-00-230-8982
NSN 5998-01-057-1556