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 5985-01-139-4144
NSN 5930-01-441-2404
NSN 5985-01-618-7498
NSN 6620-01-007-8368
NSN 5999-00-823-4283
NSN 5996-01-019-0664
NSN 6685-01-415-0972
NSN 5925-00-867-3972
NSN 5996-00-747-9770
NSN 6320-00-521-9350
NSN 5915-01-283-9538
NSN 4140-00-057-7298