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 6685-00-272-2267
NSN 5935-01-602-9237
NSN 5925-01-425-0442
NSN 2925-00-471-1128
NSN 5925-01-642-5204
NSN 6150-00-642-1929
NSN 7035-00-703-3535
NSN 6110-01-272-1063
NSN 5999-01-323-5807
NSN 5998-01-491-9415
NSN 6645-00-243-7541
NSN 7035-01-038-3165