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 5985-00-996-1062
NSN 7035-01-503-6887
NSN 6150-01-271-4637
NSN 2925-01-201-3043
NSN 5935-01-577-3624
NSN 5935-01-093-9461
NSN 6620-01-423-2612
NSN 6650-01-258-5871
NSN 5945-00-248-2973
NSN 5905-01-233-5094
NSN 6130-00-279-9769
NSN 2925-00-236-9986