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 6685-01-424-1542
NSN 5915-01-332-3821
NSN 5935-00-580-1724
NSN 5835-01-018-4197
NSN 5855-00-079-2370
NSN 5855-00-494-9581
NSN 6145-01-610-3147
NSN 5935-01-031-6993
NSN 5935-01-051-0673
NSN 6105-01-549-9872
NSN 5920-01-387-3903
NSN 5960-01-449-1310