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 6645-01-064-3711
NSN 6650-01-303-4662
NSN 5965-01-364-7275
NSN 5999-00-936-9271
NSN 6610-01-566-8198
NSN 5915-01-146-5424
NSN 6685-01-168-7712
NSN 6645-01-542-6159
NSN 6685-00-287-7564
NSN 4140-01-096-0238
NSN 5999-01-328-8348
NSN 6145-01-407-0289