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 6105-00-990-8707
NSN 5905-01-596-0702
NSN 5935-01-528-8111
NSN 6150-00-107-8208
NSN 5895-01-379-6542
NSN 5985-01-089-6620
NSN 5999-01-087-4201
NSN 5945-01-074-2662
NSN 6110-01-506-0105
NSN 5975-01-093-3890
NSN 5920-00-033-8023
NSN 5935-01-012-3082