Buna-n seals
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 materials other than copper, iron or steel
NSN 5925-00-242-2583
NSN 5920-00-555-1877
NSN 6620-01-486-0937
NSN 5960-01-076-3936
NSN 6240-00-009-4117
NSN 5925-01-408-1143
NSN 5935-00-071-7705
NSN 6105-00-929-1526
NSN 5960-01-099-5804
NSN 4140-00-035-4997
NSN 5950-01-634-0677
NSN 7035-01-417-6261