The end connection identified above as the first end is the valve inlet
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 5855-00-944-0949
NSN 6150-00-330-3629
NSN 6240-01-514-4184
NSN 5835-00-364-0816
NSN 6620-01-328-7059
NSN 6240-01-054-0067
NSN 5960-00-244-3285
NSN 5945-01-140-5619
NSN 6145-01-596-5223
NSN 6620-01-368-2723
NSN 5996-01-414-5167
NSN 5930-01-029-9560