Flight safety critical
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 6220-00-125-3805
NSN 5990-00-815-5160
NSN 6145-00-390-9917
NSN 7035-01-534-4459
NSN 6650-00-507-2495
NSN 6685-00-334-6583
NSN 5999-00-201-4349
NSN 6145-00-004-3530
NSN 5930-00-539-7149
NSN 5960-01-425-1454
NSN 4140-01-203-5128
NSN 6645-01-072-8367