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 5950-01-175-5749
NSN 5990-01-582-1977
NSN 6105-01-522-6595
NSN 6610-01-285-8444
NSN 6220-01-213-6154
NSN 5998-01-594-7203
NSN 5999-01-144-7656
NSN 5945-01-608-8350
NSN 6240-01-411-8851
NSN 5998-01-583-6323
NSN 5998-01-534-9685
NSN 5835-01-028-2025