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 6320-01-476-7476
NSN 5950-01-262-3872
NSN 6645-00-406-2564
NSN 6645-00-646-6631
NSN 5985-01-437-9733
NSN 5990-01-314-8591
NSN 5915-01-617-7044
NSN 5935-00-842-6510
NSN 5985-01-433-2242
NSN 2925-00-338-4667
NSN 6110-01-468-8566
NSN 5999-01-634-0576