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 5965-01-546-2939
NSN 5905-00-057-0676
NSN 5985-01-623-5739
NSN 5945-01-341-9424
NSN 6105-00-050-6295
NSN 5996-01-140-7683
NSN 5855-01-364-1005
NSN 5960-01-491-9916
NSN 6130-01-207-2734
NSN 5945-00-769-6911
NSN 6685-01-145-3938
NSN 2925-01-161-7440