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 5855-01-489-5808
NSN 6620-01-129-5832
NSN 2925-01-197-7864
NSN 6145-01-372-4854
NSN 5990-00-119-5699
NSN 5835-01-203-8295
NSN 6105-00-438-9131
NSN 7035-01-116-6223
NSN 6130-01-254-8784
NSN 6610-00-915-3215
NSN 5950-01-653-1264
NSN 6145-01-147-4968