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 6610-01-587-8491
NSN 5835-01-130-4952
NSN 5915-01-557-9524
NSN 5920-01-211-9256
NSN 6135-00-274-4037
NSN 5945-00-344-9615
NSN 5920-00-985-5090
NSN 5915-00-511-8241
NSN 5895-01-650-1776
NSN 6610-00-623-5783
NSN 5950-00-552-8052
NSN 6685-01-003-7112