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 6645-01-523-8809
NSN 5910-01-501-0652
NSN 5950-01-004-5546
NSN 5915-01-280-8789
NSN 5960-01-407-1350
NSN 5855-01-280-9735
NSN 6620-01-550-8573
NSN 5835-00-257-2852
NSN 6620-00-951-0153
NSN 5895-00-617-6340
NSN 6645-00-350-8070
NSN 5965-00-006-8004