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 6650-01-169-6367
NSN 6220-00-133-2155
NSN 5985-01-640-9256
NSN 5925-01-341-5633
NSN 6610-01-406-4985
NSN 6620-00-477-7808
NSN 5965-01-535-0553
NSN 5975-00-243-1278
NSN 5905-01-506-8811
NSN 6110-00-553-8816
NSN 6650-01-557-6366
NSN 5910-01-600-8747