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 6105-00-302-8239
NSN 5915-01-641-1266
NSN 5920-01-067-2289
NSN 5835-01-090-0328
NSN 6220-01-529-3417
NSN 5950-01-487-7198
NSN 5925-00-815-8646
NSN 5920-00-740-3121
NSN 5996-01-141-8821
NSN 6610-01-033-6382
NSN 6105-01-184-1291
NSN 6105-00-573-9044