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 5895-01-031-5562
NSN 5950-01-468-5431
NSN 5965-00-929-9415
NSN 6135-00-935-8769
NSN 5985-01-309-2829
NSN 6135-00-027-3914
NSN 5996-01-214-9927
NSN 5895-00-878-9404
NSN 5975-00-081-2171
NSN 6320-00-139-1090
NSN 5960-01-003-3933
NSN 5855-01-169-4275