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 6645-01-010-3746
NSN 5965-01-005-0341
NSN 6220-01-126-1909
NSN 6135-00-152-8729
NSN 6320-00-242-3300
NSN 5895-00-923-5797
NSN 6135-00-471-5356
NSN 5965-01-649-1279
NSN 6620-00-770-9794
NSN 6610-01-077-3303
NSN 5985-00-234-1425
NSN 5996-01-042-6493