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 6150-01-618-6678
NSN 6610-01-592-4150
NSN 5960-00-861-8369
NSN 6110-01-369-7024
NSN 6645-00-253-3906
NSN 5835-01-545-6467
NSN 6320-01-032-9703
NSN 5960-01-253-2333
NSN 5960-01-202-6610
NSN 7035-00-205-8739
NSN 5950-01-400-3587
NSN 5960-01-439-9517