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 5855-00-832-9341
NSN 6645-01-478-2140
NSN 5855-01-334-6594
NSN 5930-01-583-3188
NSN 5905-00-258-5761
NSN 6220-00-682-8292
NSN 5950-01-180-5264
NSN 6240-01-126-8279
NSN 6650-01-325-1576
NSN 5895-01-305-1118
NSN 5935-00-020-9707
NSN 6150-01-213-3742