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 5930-00-517-0415
NSN 6610-00-798-5819
NSN 6620-01-523-7818
NSN 5985-01-418-0804
NSN 5998-01-167-8402
NSN 6150-01-330-9436
NSN 5920-01-141-6885
NSN 6150-01-115-3705
NSN 5960-01-536-9763
NSN 5975-01-148-7686
NSN 5855-01-502-6414
NSN 5895-01-031-3036