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 6610-01-065-6057
NSN 5975-01-441-4012
NSN 6135-00-351-8606
NSN 5935-01-530-8253
NSN 7035-00-500-7839
NSN 6320-01-554-0901
NSN 6135-00-351-8606
NSN 6620-01-189-8153
NSN 5910-01-236-5253
NSN 6220-01-350-5839
NSN 6135-01-511-1975
NSN 5855-01-100-3272