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 5999-01-148-0390
NSN 5920-01-190-9441
NSN 5990-01-369-2764
NSN 5910-01-355-0345
NSN 6320-01-328-6575
NSN 6135-01-391-6515
NSN 5960-00-594-0824
NSN 5960-01-464-9605
NSN 5895-01-507-2259
NSN 6110-01-241-5785
NSN 6320-01-029-4220
NSN 6105-00-614-8003