The end connection identified above as the second end is the valve inlet
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 materials other than copper, iron or steel
NSN 6130-01-512-1710
NSN 6650-00-736-8456
NSN 6610-01-152-2821
NSN 6645-01-099-6887
NSN 6320-01-440-8771
NSN 4140-00-152-7092
NSN 6650-01-071-9011
NSN 5950-01-424-7267
NSN 5895-00-125-5465
NSN 5985-01-041-6605
NSN 6130-01-342-7712
NSN 6145-00-959-4257