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 5945-01-083-9913
NSN 5965-01-441-6842
NSN 5950-00-249-9146
NSN 6135-01-320-4815
NSN 5910-01-166-8221
NSN 5895-01-270-3952
NSN 2925-00-764-0167
NSN 6130-01-495-0103
NSN 6240-01-501-9338
NSN 6620-01-121-0736
NSN 6150-01-250-4302
NSN 6610-00-930-1249