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 5996-01-031-8916
NSN 5945-01-063-7495
NSN 5910-01-088-6633
NSN 5930-01-262-9141
NSN 2925-01-113-6904
NSN 5855-01-449-8685
NSN 5905-01-568-4031
NSN 6130-01-597-4866
NSN 5960-01-371-5494
NSN 6685-01-425-7360
NSN 4140-01-097-2008
NSN 2925-01-541-5031