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 6130-00-643-4894
NSN 2925-01-336-1392
NSN 5990-00-362-1453
NSN 5895-01-231-9292
NSN 6135-01-273-1253
NSN 5915-01-388-7604
NSN 5998-01-199-5687
NSN 5910-01-221-9577
NSN 6240-01-415-5581
NSN 7035-01-271-1643
NSN 5930-01-363-1075
NSN 5945-01-069-6167