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 6685-00-257-4088
NSN 5835-01-620-0675
NSN 5855-01-394-3688
NSN 5965-01-471-7945
NSN 6645-01-287-9969
NSN 6105-01-384-2380
NSN 5965-01-134-9808
NSN 5985-00-759-1463
NSN 5855-00-165-3093
NSN 5960-00-460-7411
NSN 5965-01-571-7958
NSN 5960-01-469-7484