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 6650-01-633-5160
NSN 5835-00-827-1904
NSN 5965-01-250-8542
NSN 5905-01-479-8811
NSN 6105-01-020-9013
NSN 6220-01-130-2583
NSN 5895-01-050-8909
NSN 5975-01-296-3039
NSN 5998-01-366-8157
NSN 6610-01-009-6354
NSN 5975-01-444-0377
NSN 5950-00-996-2002