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 6320-01-643-0850
NSN 5950-01-459-7961
NSN 5960-00-275-7497
NSN 7035-00-433-5670
NSN 6150-01-189-8556
NSN 5905-01-597-6129
NSN 6240-01-229-5712
NSN 5960-00-223-3849
NSN 6150-01-289-5090
NSN 6130-01-459-1448
NSN 5930-01-022-5924
NSN 5975-01-473-8317