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 5950-00-936-8102
NSN 5965-01-323-8134
NSN 5985-01-395-4032
NSN 6320-00-977-3930
NSN 5855-01-565-4475
NSN 5950-01-597-9612
NSN 5945-01-384-3735
NSN 6620-01-479-6935
NSN 6145-01-361-6684
NSN 5985-01-451-4765
NSN 5999-01-335-6143
NSN 5935-00-578-4735