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 5990-01-462-6961
NSN 5915-01-605-3245
NSN 5960-00-084-8527
NSN 6110-00-402-6376
NSN 5960-01-411-0999
NSN 5950-01-438-8073
NSN 6135-01-048-0910
NSN 5950-01-004-8052
NSN 5975-01-377-2511
NSN 6105-01-256-3359
NSN 5920-01-291-5956
NSN 5998-00-318-8130