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 6130-01-012-9229
NSN 2925-01-144-7106
NSN 5985-00-243-4160
NSN 6105-00-659-3890
NSN 6150-00-828-7136
NSN 6145-01-062-4200
NSN 6320-01-072-2073
NSN 6150-01-566-7920
NSN 5905-01-412-5152
NSN 6620-01-376-3744
NSN 5905-01-101-9918
NSN 6240-01-075-1043