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 4140-01-465-8611
NSN 5985-00-852-6192
NSN 6645-01-053-3185
NSN 7035-01-633-9537
NSN 6145-01-433-9079
NSN 6150-01-062-6546
NSN 6150-01-519-2726
NSN 6110-00-820-6264
NSN 5945-01-495-5893
NSN 6105-01-448-4701
NSN 5915-00-499-9054
NSN 6150-01-627-5053