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 5998-01-479-3630
NSN 5996-01-245-8209
NSN 6645-00-478-6509
NSN 6135-00-998-5884
NSN 6240-00-227-0135
NSN 5915-01-211-7777
NSN 2925-00-144-6405
NSN 5996-01-608-5244
NSN 6645-00-613-2378
NSN 5998-01-129-8781
NSN 5960-01-104-0074
NSN 5990-01-522-6096