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 6240-00-454-9293
NSN 5990-01-581-5103
NSN 5965-00-079-2360
NSN 5910-01-583-2403
NSN 6130-00-391-5941
NSN 2925-01-163-6716
NSN 6110-01-528-2948
NSN 5985-00-861-7896
NSN 6650-00-641-6139
NSN 6220-00-807-3432
NSN 5960-01-414-1677
NSN 5950-01-016-1197