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 6610-01-368-8344
NSN 6110-00-772-0093
NSN 6620-01-216-0904
NSN 5960-01-382-8772
NSN 2925-01-347-9346
NSN 5975-00-111-6781
NSN 5975-01-262-6877
NSN 5855-01-093-3080
NSN 6135-01-087-7895
NSN 5950-01-547-7176
NSN 5835-01-278-4683
NSN 5999-01-099-3099