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 5930-01-077-4622
NSN 5930-01-570-7994
NSN 5950-01-420-5064
NSN 5855-00-079-2370
NSN 5855-01-267-2751
NSN 5975-01-139-3405
NSN 5895-01-633-6987
NSN 6145-01-139-5172
NSN 5950-00-449-4281
NSN 6135-00-900-2139
NSN 6620-01-313-3755
NSN 6320-00-857-4073