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 5915-00-430-7543
NSN 5965-00-546-4402
NSN 6150-01-234-4546
NSN 5910-01-029-4709
NSN 5985-01-504-3045
NSN 5950-00-419-0232
NSN 5960-00-148-4492
NSN 2925-00-103-6822
NSN 6610-00-680-8325
NSN 5999-01-044-6250
NSN 4140-00-069-3506
NSN 5975-01-214-0370