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 6110-00-079-7874
NSN 6240-00-469-2339
NSN 6135-01-548-1423
NSN 5930-00-398-9835
NSN 5996-01-283-2547
NSN 6650-00-428-7055
NSN 5965-00-603-9306
NSN 5835-01-341-7446
NSN 5975-00-546-9469
NSN 6320-00-790-4844
NSN 5915-01-499-9424
NSN 6135-01-492-8934