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 6135-01-168-2944
NSN 5965-01-150-1920
NSN 5985-01-603-5066
NSN 6135-01-119-0720
NSN 5945-01-466-4890
NSN 5905-00-335-0644
NSN 5905-01-419-6176
NSN 6320-01-558-8844
NSN 5910-01-158-5567
NSN 6620-01-412-5514
NSN 6685-01-094-7219
NSN 5895-01-251-1249