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 5925-01-552-5515
NSN 7035-01-324-3839
NSN 5960-01-309-5933
NSN 5910-00-087-0995
NSN 5999-01-325-4726
NSN 6620-01-434-3675
NSN 5910-01-301-2246
NSN 6645-01-556-5263
NSN 5925-00-206-3580
NSN 5935-00-529-0921
NSN 5996-01-485-4751
NSN 6620-01-116-3983