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 5998-01-660-3883
NSN 6240-00-983-6761
NSN 5975-01-313-9812
NSN 6145-01-580-4756
NSN 6685-00-391-5747
NSN 6135-01-171-9299
NSN 6685-01-565-7728
NSN 5996-01-129-4873
NSN 5925-01-617-7880
NSN 5905-01-488-8282
NSN 6135-00-165-3756
NSN 5910-00-845-2533