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 steel
NSN 6130-01-423-1630
NSN 6145-01-412-8111
NSN 6130-00-575-1507
NSN 6220-00-353-5730
NSN 5999-00-136-8446
NSN 5990-01-432-4249
NSN 6150-00-327-6226
NSN 6320-00-098-2858
NSN 6610-01-120-7670
NSN 6610-01-643-2315
NSN 5905-00-891-4255
NSN 5965-01-340-9637