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 5945-00-908-9906
NSN 5975-01-564-2504
NSN 5895-01-212-3824
NSN 5930-01-656-6818
NSN 5960-00-831-8683
NSN 5985-01-177-0333
NSN 5990-01-116-2181
NSN 6135-01-446-8310
NSN 6685-00-135-5435
NSN 5835-00-943-2763
NSN 5945-01-053-4331
NSN 6610-01-254-4196