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 5910-01-477-4030
NSN 6650-01-561-4608
NSN 5999-01-474-9167
NSN 6620-00-350-1050
NSN 5920-01-420-0912
NSN 6130-01-548-5610
NSN 6110-01-597-5772
NSN 6150-01-429-7097
NSN 6610-01-461-8180
NSN 6685-01-122-0382
NSN 6620-01-121-4019
NSN 5895-01-519-9373