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.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 6620-01-010-0518
NSN 6620-00-445-8325
NSN 5998-01-168-7846
NSN 5975-01-386-7099
NSN 5855-01-304-3064
NSN 6135-01-502-5787
NSN 6320-01-540-4885
NSN 5950-00-007-4488
NSN 6320-01-582-6668
NSN 5950-01-026-9864
NSN 7035-00-092-4356
NSN 6220-00-480-7722