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 6145-00-632-3229
NSN 5985-01-311-3304
NSN 6620-00-118-1983
NSN 5960-01-394-3846
NSN 5950-00-269-4805
NSN 5998-01-365-2463
NSN 5925-00-812-1987
NSN 6145-01-303-1000
NSN 5910-00-833-8298
NSN 6110-00-104-6396
NSN 5960-01-163-3847
NSN 5905-01-486-0041