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 7035-01-254-3606
NSN 5960-00-735-2555
NSN 6130-01-498-0416
NSN 5930-01-545-1575
NSN 4140-01-337-4625
NSN 5960-01-395-9834
NSN 5945-01-051-4024
NSN 6645-01-514-6603
NSN 5990-01-321-2997
NSN 5925-01-622-7879
NSN 6110-00-514-2639
NSN 5960-01-412-0619