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 5895-00-246-4415
NSN 5965-01-643-9783
NSN 6145-00-830-8210
NSN 6110-01-216-5028
NSN 5945-01-319-6104
NSN 5925-00-977-5843
NSN 5910-01-474-6123
NSN 5855-01-443-0381
NSN 5920-01-209-2219
NSN 6135-01-086-8167
NSN 6135-01-218-3660
NSN 5945-00-679-9554