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 6150-01-500-6980
NSN 5950-01-248-5348
NSN 5895-01-093-5355
NSN 6150-01-132-4651
NSN 5965-01-024-7960
NSN 5985-00-636-8689
NSN 5905-01-125-4478
NSN 6145-01-053-0300
NSN 5905-01-321-0263
NSN 6135-01-472-9011
NSN 5935-01-516-2867
NSN 6220-01-261-8103