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 5835-00-113-6090
NSN 6130-01-180-9727
NSN 5950-00-174-1073
NSN 5950-01-660-7240
NSN 5915-00-816-9056
NSN 6240-00-243-8336
NSN 6685-00-203-4485
NSN 4140-01-467-0377
NSN 5905-01-041-8274
NSN 6620-01-526-2857
NSN 5975-01-291-9328
NSN 5910-01-230-5448