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 6135-01-460-8830
NSN 5950-01-357-2384
NSN 5895-01-020-8990
NSN 5935-01-517-2383
NSN 6130-01-415-0590
NSN 5975-00-402-5273
NSN 2925-00-440-1855
NSN 5915-01-042-1368
NSN 4140-00-733-7936
NSN 5996-00-402-6071
NSN 5855-00-004-0904
NSN 5925-01-390-5119