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 steel
NSN 6220-01-618-0359
NSN 6620-00-193-0518
NSN 5985-00-068-5815
NSN 5975-01-391-7803
NSN 5925-01-182-2448
NSN 6135-01-236-8603
NSN 5998-00-218-1360
NSN 6150-01-145-5156
NSN 5855-01-314-8335
NSN 4140-00-246-4969
NSN 6320-01-219-5174
NSN 6150-00-827-0081