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 6130-00-136-3441
NSN 5895-00-596-8678
NSN 6620-01-559-9116
NSN 5905-01-568-7756
NSN 5945-01-263-1859
NSN 5998-00-858-8725
NSN 6685-01-309-8360
NSN 2925-01-115-0306
NSN 5975-01-164-1157
NSN 5985-01-654-3657
NSN 5990-01-236-8399
NSN 6620-01-318-1856