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 6135-01-551-0562
NSN 5925-01-506-3372
NSN 6240-01-515-8746
NSN 5999-01-155-9202
NSN 6650-01-065-1704
NSN 5985-01-506-5304
NSN 5915-01-247-8991
NSN 4140-01-067-2587
NSN 5996-00-999-2591
NSN 5950-01-267-2805
NSN 7035-01-348-1257
NSN 5935-00-977-9513