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 5960-00-978-7435
NSN 5975-01-232-7642
NSN 6130-01-200-6841
NSN 6145-01-152-2417
NSN 6150-00-189-0292
NSN 4140-01-219-7368
NSN 5895-01-656-0311
NSN 6145-01-070-8239
NSN 6610-01-633-4179
NSN 5998-01-369-5011
NSN 5996-00-279-5806
NSN 5910-01-619-7462