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 5965-00-303-9701
NSN 6240-00-197-6819
NSN 6150-00-054-4685
NSN 5910-01-608-3772
NSN 5915-00-956-6890
NSN 5999-01-094-7976
NSN 6145-01-304-2284
NSN 5975-01-333-7139
NSN 5950-00-988-7278
NSN 5996-01-409-1860
NSN 6110-00-329-6666
NSN 6110-01-596-7302