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 5855-00-288-1408
NSN 6685-01-467-5171
NSN 6610-00-104-7518
NSN 6610-00-225-9886
NSN 6610-01-212-2083
NSN 5855-01-481-6280
NSN 5895-00-650-0376
NSN 5996-01-468-6417
NSN 6240-01-074-9407
NSN 6130-00-718-0860
NSN 5905-00-144-3585
NSN 5975-01-352-6951