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 6135-01-604-8739
NSN 5960-01-614-8005
NSN 5915-01-449-0859
NSN 7035-00-703-3535
NSN 6110-01-122-7464
NSN 5960-00-922-2943
NSN 6150-00-830-9535
NSN 5950-01-163-4040
NSN 5915-01-043-4388
NSN 5895-01-163-1235
NSN 5975-00-257-1304
NSN 5895-00-605-6202