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 5905-01-088-6055
NSN 5925-00-437-2854
NSN 5998-00-890-9173
NSN 5925-01-623-6164
NSN 5910-01-441-2301
NSN 6145-00-458-6437
NSN 4140-01-171-6152
NSN 5950-01-479-0313
NSN 6110-00-159-0755
NSN 6685-00-886-1135
NSN 5965-00-594-3115
NSN 5996-00-501-4326