Four thd bolt holes; 1/4-28 unf, class 3b thd size
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 5985-01-599-7608
NSN 6645-00-646-6631
NSN 5935-01-610-7869
NSN 6620-00-646-9474
NSN 2925-01-577-9269
NSN 2925-00-263-2714
NSN 5998-00-778-5025
NSN 5935-01-571-7646
NSN 5975-01-511-0984
NSN 6685-01-333-7597
NSN 5998-00-483-6227
NSN 6685-00-520-9695