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 5998-01-477-2370
NSN 5996-01-658-9316
NSN 6320-01-449-1014
NSN 6145-01-463-3281
NSN 6135-01-592-4139
NSN 5925-01-452-1704
NSN 5910-01-232-2110
NSN 5920-01-172-6358
NSN 5855-01-546-0337
NSN 4140-01-014-3454
NSN 6220-01-176-9139
NSN 6240-00-607-4303