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 5935-00-907-7781
NSN 5855-01-569-2994
NSN 5965-01-444-1322
NSN 5965-00-133-3031
NSN 6645-01-469-2458
NSN 5985-00-497-4202
NSN 5975-01-574-2037
NSN 6320-00-456-2092
NSN 5985-01-275-0328
NSN 5915-00-182-8068
NSN 5925-01-054-3284
NSN 5998-01-050-7257