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 6620-01-064-0366
NSN 5950-00-839-4050
NSN 5950-00-776-2924
NSN 5855-01-165-6361
NSN 5990-01-124-9063
NSN 5990-01-517-7848
NSN 5855-01-007-9541
NSN 5855-01-240-5470
NSN 5985-01-198-2224
NSN 5855-01-020-7982
NSN 5855-01-471-1509
NSN 7035-01-411-6062