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 5855-01-354-7291
NSN 6610-00-803-4374
NSN 5895-01-318-8019
NSN 5945-01-649-0871
NSN 5945-00-293-8333
NSN 5895-01-528-7881
NSN 5925-00-644-5546
NSN 5920-01-627-8327
NSN 6150-01-502-8837
NSN 5965-00-627-8382
NSN 5895-00-116-2248
NSN 6130-01-362-3047