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 6110-01-446-1804
NSN 5996-01-120-2729
NSN 5905-00-080-9402
NSN 5999-01-459-8029
NSN 5990-01-532-0670
NSN 6135-01-487-6275
NSN 5835-00-794-7500
NSN 5975-00-636-4910
NSN 5950-00-955-5284
NSN 5930-01-600-0260
NSN 6130-01-193-5230
NSN 5895-01-417-9714