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 6240-01-355-0437
NSN 5905-00-399-4630
NSN 6320-01-515-7913
NSN 5920-01-271-6474
NSN 5930-01-353-7398
NSN 5998-01-012-0505
NSN 6645-01-212-9474
NSN 5950-01-265-9359
NSN 5905-01-014-4530
NSN 6220-01-410-7555
NSN 5985-01-373-7402
NSN 6650-00-224-3223