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 5945-00-597-5722
NSN 6130-01-458-1088
NSN 5835-01-087-5611
NSN 5996-01-067-8716
NSN 6645-01-008-2720
NSN 6645-01-627-8040
NSN 5945-01-497-6979
NSN 6145-01-436-4900
NSN 5960-00-315-0358
NSN 5975-01-486-1706
NSN 5950-00-076-6008
NSN 5990-00-274-3225