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 5835-00-885-6030
NSN 5895-00-493-0042
NSN 2925-00-060-8292
NSN 6135-01-384-7155
NSN 5925-01-281-8076
NSN 6650-01-514-7809
NSN 6610-00-854-4980
NSN 6105-01-415-3314
NSN 5999-00-320-9797
NSN 5960-01-599-9821
NSN 6150-01-661-2416
NSN 5935-01-126-5661