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 6105-00-111-3353
NSN 6620-01-502-9104
NSN 5920-01-454-4194
NSN 5910-01-265-7669
NSN 6610-01-333-2381
NSN 5945-00-803-9535
NSN 5925-01-385-2875
NSN 5920-00-636-4713
NSN 5998-00-872-6104
NSN 5895-01-545-6287
NSN 5895-00-483-8629
NSN 5975-01-152-9353