Four bolt cap
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 6130-01-363-8392
NSN 5990-01-179-1000
NSN 5930-01-235-4772
NSN 5998-00-218-1360
NSN 6650-01-481-3618
NSN 5925-01-344-0518
NSN 5990-01-512-9129
NSN 6135-01-327-2092
NSN 6130-01-562-4839
NSN 5925-01-501-6074
NSN 5990-01-529-8433
NSN 5965-01-389-1068