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 5945-01-070-5962
NSN 7035-01-432-2424
NSN 6135-01-230-4399
NSN 5965-00-716-7078
NSN 6130-01-428-4459
NSN 6240-01-201-3403
NSN 6320-01-098-2503
NSN 2925-01-305-1370
NSN 6220-01-278-9822
NSN 6620-01-535-0070
NSN 6105-00-866-6830
NSN 6135-01-210-8715