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 5945-01-394-2206
NSN 5996-01-336-1479
NSN 5965-01-005-0341
NSN 5935-00-469-0387
NSN 5895-01-446-7523
NSN 6650-00-171-4175
NSN 6610-01-367-1640
NSN 6320-01-519-7019
NSN 5960-01-614-0489
NSN 5996-01-591-4782
NSN 6130-01-214-8128
NSN 6240-00-112-9008