End connection has a 2 step size of 1/4in first step and 1/2in second step.
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 5990-00-254-4825
NSN 6645-01-489-5426
NSN 5935-00-007-2542
NSN 5999-01-160-7465
NSN 5999-01-634-0576
NSN 5965-01-516-1236
NSN 6130-01-502-6014
NSN 5999-01-045-8475
NSN 5985-01-440-4809
NSN 5990-00-470-2535
NSN 6685-01-310-7193
NSN 6685-01-108-2161