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 5996-00-231-9322
NSN 4140-00-657-4964
NSN 6645-00-079-1430
NSN 7035-01-157-0028
NSN 5998-01-458-8181
NSN 5999-00-008-8623
NSN 5925-00-192-4363
NSN 5945-01-026-6159
NSN 5910-01-170-4424
NSN 6145-00-450-1947
NSN 6145-01-249-4329
NSN 5835-01-462-5983