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 5945-01-034-3941
NSN 5910-00-726-1024
NSN 5935-00-410-7680
NSN 6685-00-079-1415
NSN 5950-01-517-4356
NSN 5998-01-155-0892
NSN 6110-01-485-3312
NSN 5925-01-471-9700
NSN 5835-01-082-8009
NSN 5945-01-227-4499
NSN 5998-00-198-4286
NSN 5990-01-443-2931