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 6105-01-434-2663
NSN 5996-01-200-9628
NSN 6620-01-075-5299
NSN 5960-01-192-3128
NSN 5998-00-411-7345
NSN 5975-01-101-5615
NSN 6645-01-211-2111
NSN 6130-00-463-7829
NSN 5915-01-152-2684
NSN 6110-01-390-6387
NSN 6685-01-558-1102
NSN 6110-01-596-7719