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 6620-01-539-2729
NSN 5945-01-175-8880
NSN 5925-00-013-9423
NSN 5950-01-571-6618
NSN 5975-01-497-8515
NSN 5895-00-560-6146
NSN 6220-01-328-7523
NSN 5915-01-462-5900
NSN 6685-01-515-5473
NSN 5996-01-365-5630
NSN 6220-00-935-6881
NSN 6685-01-560-1881