1/2" 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 6220-01-196-0332
NSN 6130-00-910-2757
NSN 5855-00-188-6747
NSN 6130-01-254-1548
NSN 6135-00-793-1809
NSN 6110-01-593-8087
NSN 5960-00-140-9583
NSN 5975-01-433-2169
NSN 5965-01-506-1415
NSN 5950-01-330-6755
NSN 5990-01-473-4314
NSN 7035-01-491-9867