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 5935-00-183-9631
NSN 5965-01-342-2865
NSN 5999-01-384-0363
NSN 5935-00-894-0313
NSN 6685-01-411-9188
NSN 6620-00-703-4260
NSN 5975-00-909-3302
NSN 6240-01-566-6735
NSN 6645-01-376-2336
NSN 5985-01-512-1867
NSN 5935-01-209-4195
NSN 5945-00-935-6922