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 6220-00-898-1066
NSN 6320-01-399-6177
NSN 5910-00-554-1422
NSN 5915-00-337-1314
NSN 7035-00-111-4389
NSN 5855-01-069-4742
NSN 6610-00-034-3709
NSN 5950-01-380-6133
NSN 5975-01-352-5853
NSN 5895-01-542-7735
NSN 5965-01-415-6351
NSN 5985-01-072-1147