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 6320-00-036-3688
NSN 5895-00-236-3294
NSN 6130-01-079-9847
NSN 6110-01-339-9401
NSN 4140-01-502-4457
NSN 5930-01-607-9395
NSN 5855-01-617-6560
NSN 5960-01-352-0451
NSN 5990-01-272-4091
NSN 4140-01-250-1128
NSN 5930-01-457-9832
NSN 5985-01-584-0898