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 6645-00-401-5563
NSN 5999-00-471-9141
NSN 5855-01-120-7831
NSN 6145-01-225-7847
NSN 5960-00-496-9500
NSN 5960-01-189-5712
NSN 6685-01-519-5519
NSN 2925-00-504-2363
NSN 6130-01-600-6441
NSN 5965-00-929-9415
NSN 5905-00-476-4332
NSN 4140-01-646-3016