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 6620-01-457-7277
NSN 6110-01-352-7200
NSN 5996-00-153-0268
NSN 6320-01-470-6826
NSN 6240-01-513-6526
NSN 6685-01-254-6799
NSN 5925-01-078-6673
NSN 6130-01-041-8142
NSN 5855-01-392-1808
NSN 6135-00-269-5843
NSN 6610-00-186-9180
NSN 6130-01-162-9624