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 2925-01-197-7864
NSN 5835-00-918-8169
NSN 6105-01-634-0322
NSN 5905-01-023-9694
NSN 5975-00-962-7193
NSN 6645-00-116-1409
NSN 5950-00-929-5792
NSN 5999-01-029-9472
NSN 6320-01-618-7800
NSN 5990-01-147-5225
NSN 5960-00-300-2358
NSN 5855-01-224-7975