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 4140-01-314-4013
NSN 5975-00-928-9190
NSN 6110-01-364-0322
NSN 6105-01-040-1422
NSN 5960-00-448-0417
NSN 6685-01-595-6905
NSN 5855-01-033-1375
NSN 4140-01-106-4755
NSN 6110-01-444-3302
NSN 6220-01-128-5814
NSN 5985-00-831-0202
NSN 6620-00-255-5962