2.5 npt
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 6220-01-337-0641
NSN 6105-01-470-6755
NSN 6150-01-455-8931
NSN 5930-00-842-3465
NSN 7035-01-066-4127
NSN 6220-01-607-6149
NSN 2925-01-484-8556
NSN 5996-01-044-6958
NSN 6620-00-325-4693
NSN 6110-01-356-6937
NSN 5996-01-253-1404
NSN 5950-01-567-9488