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.
NSN 6320-01-212-8749
NSN 6620-01-147-5615
NSN 5905-01-016-8698
NSN 5945-01-534-0077
NSN 5996-01-389-8434
NSN 5965-01-258-5328
NSN 5960-01-120-9351
NSN 5930-01-198-0085
NSN 5925-00-188-8678
NSN 6685-01-227-2621
NSN 6150-01-581-9602
NSN 6240-01-613-5801