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 6610-01-141-7014
NSN 5920-01-232-3479
NSN 4140-01-088-7512
NSN 5998-00-001-3711
NSN 6610-01-064-0384
NSN 5935-01-588-9799
NSN 5945-01-533-2085
NSN 5996-00-937-5051
NSN 6220-01-031-0292
NSN 6240-01-610-8705
NSN 7035-01-463-9855
NSN 5910-01-578-6803