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 5998-00-486-8326
NSN 5945-00-821-5498
NSN 5925-01-607-9491
NSN 5999-00-203-5573
NSN 5950-00-179-7927
NSN 5950-00-268-3292
NSN 5905-00-939-0545
NSN 5990-00-513-5328
NSN 5915-01-352-5871
NSN 5945-01-179-4192
NSN 6110-00-577-8156
NSN 5999-01-470-2749