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 6320-01-032-9703
NSN 5950-00-660-5159
NSN 5998-00-197-8821
NSN 5975-01-536-3715
NSN 6610-01-066-4664
NSN 5930-01-427-3676
NSN 5999-00-186-0058
NSN 5930-01-202-3767
NSN 5985-00-169-1976
NSN 5895-01-646-6403
NSN 5998-01-310-8739
NSN 5965-01-200-6613