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 6110-01-534-6435
NSN 6145-01-459-7324
NSN 5935-01-285-7273
NSN 5975-01-411-2626
NSN 6110-01-277-5983
NSN 5905-01-529-1226
NSN 5945-00-042-3455
NSN 5935-01-648-0853
NSN 6320-01-488-5581
NSN 5920-01-334-2903
NSN 6610-01-544-5182
NSN 6105-01-653-2867