Y swing check type
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 6685-00-480-1711
NSN 5990-01-388-9264
NSN 5915-01-233-8473
NSN 6645-01-386-6311
NSN 6610-01-313-6645
NSN 5895-01-268-2295
NSN 5996-01-535-6443
NSN 6145-01-440-0663
NSN 5855-01-381-7493
NSN 5996-00-100-4932
NSN 5999-01-124-7033
NSN 5996-01-608-4360