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 5960-00-295-9279
NSN 5996-01-310-8411
NSN 5925-00-414-1433
NSN 5960-00-098-5117
NSN 5905-01-545-6839
NSN 6150-01-284-8471
NSN 7035-01-132-7209
NSN 6620-01-218-6203
NSN 6130-00-317-3054
NSN 6135-00-539-8088
NSN 6610-01-351-0072
NSN 6320-00-857-4073