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 6610-00-594-6372
NSN 5996-01-425-1455
NSN 5999-01-293-5946
NSN 5915-01-552-5342
NSN 5915-00-206-0086
NSN 5998-00-558-6389
NSN 5950-01-544-2313
NSN 5915-00-100-5239
NSN 6135-01-512-8740
NSN 5965-01-258-5662
NSN 6135-01-226-4071
NSN 5998-01-490-1815