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 6620-01-052-2773
NSN 6135-01-162-0943
NSN 7035-00-193-2269
NSN 5975-00-251-2478
NSN 6645-00-770-3742
NSN 5960-01-624-1170
NSN 4140-01-360-6744
NSN 4140-01-536-5176
NSN 6685-00-419-0643
NSN 6320-00-731-6134
NSN 5985-01-331-0959
NSN 5996-00-098-3864