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 copper having a pressure rating of 850 kpa or over
NSN 6650-01-396-8890
NSN 5855-01-535-0971
NSN 5945-01-287-0760
NSN 5920-01-500-1880
NSN 5930-01-086-5474
NSN 5990-01-056-6413
NSN 5975-01-018-0492
NSN 5935-01-050-8417
NSN 5975-00-903-8860
NSN 5990-00-391-6207
NSN 5996-00-893-0363
NSN 5905-00-827-0515