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 6610-00-179-9035
NSN 7035-00-902-8995
NSN 5835-00-642-8148
NSN 5990-00-621-7457
NSN 5965-01-123-3770
NSN 6320-01-056-1164
NSN 5975-01-358-5125
NSN 6645-00-664-4665
NSN 5835-00-896-0063
NSN 7035-01-287-9817
NSN 6110-00-353-0139
NSN 5965-01-450-7694