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 6320-01-147-9177
NSN 5998-01-165-2182
NSN 5960-00-840-7103
NSN 6150-00-357-7986
NSN 5998-01-068-3559
NSN 6320-01-350-5570
NSN 6130-01-439-6294
NSN 5920-01-352-7223
NSN 5855-00-869-3635
NSN 7035-01-464-1213
NSN 4140-01-226-6944
NSN 5985-01-101-0371