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 5960-01-020-6316
NSN 6645-01-304-4308
NSN 5895-00-496-9231
NSN 6220-00-854-2532
NSN 5975-00-079-0022
NSN 6220-00-845-8842
NSN 5996-00-222-6049
NSN 5998-01-372-1859
NSN 5996-00-911-8120
NSN 6645-01-478-2140
NSN 5910-01-258-5846
NSN 6105-01-211-9702