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 5996-00-187-8072
NSN 6105-01-453-4633
NSN 5925-00-104-8540
NSN 6320-00-701-0437
NSN 6145-00-072-7028
NSN 5910-01-186-8186
NSN 6240-00-364-0850
NSN 5920-01-008-9339
NSN 5950-00-595-8113
NSN 6645-00-116-1409
NSN 5950-01-395-5306
NSN 6685-00-826-9381