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 6320-01-382-9676
NSN 6135-01-231-4809
NSN 6645-01-480-7819
NSN 6110-01-627-6812
NSN 6110-01-417-4484
NSN 5996-00-969-6422
NSN 5998-01-478-8647
NSN 5965-01-171-9796
NSN 6110-00-396-1604
NSN 6135-01-125-4867
NSN 5910-01-350-7135
NSN 5975-01-434-9054