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 6650-01-134-3644
NSN 4140-00-735-4957
NSN 5975-01-655-6174
NSN 5925-00-158-5297
NSN 6220-01-171-6976
NSN 6645-00-300-0401
NSN 5895-01-363-5127
NSN 6110-00-244-1354
NSN 6220-00-107-9301
NSN 6110-01-014-9281
NSN 5985-01-257-3616
NSN 6610-01-266-8691