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 6110-01-365-2718
NSN 5960-01-552-8601
NSN 5910-01-472-3798
NSN 5915-01-094-5681
NSN 6320-00-360-1744
NSN 5925-01-283-9588
NSN 5855-00-532-0025
NSN 5985-01-098-5321
NSN 5910-01-024-1021
NSN 5895-01-267-0731
NSN 6240-01-298-0470
NSN 5925-00-309-2404