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 5935-00-883-6032
NSN 6620-00-417-6285
NSN 5965-01-386-2988
NSN 5996-00-186-3054
NSN 6645-01-433-1398
NSN 5960-01-654-4353
NSN 5950-01-514-8430
NSN 5975-01-204-3325
NSN 6610-01-495-8898
NSN 5985-00-135-7118
NSN 5905-00-528-4058
NSN 5915-01-596-5200