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 4140-01-213-6162
NSN 5990-01-373-1465
NSN 5925-01-303-4802
NSN 6145-01-124-0035
NSN 5905-01-442-8801
NSN 5996-01-397-5428
NSN 4140-01-193-4841
NSN 5960-01-160-3437
NSN 2925-01-607-7754
NSN 5925-01-362-3425
NSN 6110-01-348-1097
NSN 6645-00-240-4749