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 6645-01-033-4504
NSN 2925-01-068-3844
NSN 5935-01-168-8781
NSN 5996-01-234-7157
NSN 5985-00-271-9502
NSN 6110-00-181-5634
NSN 5835-00-074-3700
NSN 5925-01-631-0850
NSN 5975-01-352-7829
NSN 4140-00-122-6422
NSN 5950-01-277-1353
NSN 5985-01-151-6580