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 5855-01-431-5253
NSN 6240-00-187-4306
NSN 2925-01-196-6187
NSN 5925-00-111-5063
NSN 6145-01-323-6509
NSN 5985-00-225-3200
NSN 6240-01-055-5193
NSN 4140-00-523-9058
NSN 5915-00-760-5660
NSN 2925-01-448-2880
NSN 5965-01-295-9842
NSN 6150-01-476-4079