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 5835-01-359-2575
NSN 5990-00-741-9775
NSN 5960-00-854-7171
NSN 6685-01-426-0425
NSN 5975-01-020-7131
NSN 6320-01-573-6490
NSN 5910-01-576-3209
NSN 6685-01-258-8755
NSN 5855-00-688-9954
NSN 5910-01-481-5078
NSN 6105-01-468-5605
NSN 6685-00-922-2843