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 6685-00-227-0212
NSN 6650-00-118-5600
NSN 5999-01-157-9519
NSN 4140-01-456-7862
NSN 5935-01-115-5420
NSN 5920-01-534-7866
NSN 5945-01-589-2889
NSN 6620-00-827-1611
NSN 5965-01-207-0991
NSN 5985-01-519-8900
NSN 6145-00-010-5135
NSN 5895-01-629-1645