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 6645-00-819-5045
NSN 6610-00-137-5890
NSN 5925-01-219-9500
NSN 6105-00-551-3747
NSN 5910-01-311-4604
NSN 4140-00-283-6843
NSN 5950-01-623-5625
NSN 5905-00-949-8199
NSN 5915-01-542-9037
NSN 5975-01-519-8899
NSN 6240-01-053-0666
NSN 5960-01-424-1781