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 6320-01-462-2295
NSN 5915-01-393-0723
NSN 5895-00-061-7192
NSN 6220-00-977-0986
NSN 6130-01-223-3366
NSN 5998-01-157-5033
NSN 6620-01-500-3660
NSN 5835-00-498-1551
NSN 6130-00-630-6370
NSN 4140-01-226-6944
NSN 6240-01-394-5320
NSN 5935-01-097-8614