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 6145-01-448-5192
NSN 5915-00-284-5430
NSN 5985-01-385-6632
NSN 5935-01-446-5515
NSN 5960-01-175-9880
NSN 5925-00-752-8292
NSN 6240-00-079-1759
NSN 5985-01-462-7521
NSN 5915-01-468-0053
NSN 6685-01-032-3384
NSN 5999-01-485-3131
NSN 5835-01-095-8851