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 5925-01-492-8354
NSN 5999-01-218-9218
NSN 5975-00-912-2240
NSN 6150-00-062-1147
NSN 6645-00-806-6961
NSN 5945-00-549-1207
NSN 7035-00-513-9764
NSN 6130-01-019-4064
NSN 5990-00-232-3965
NSN 5975-01-201-4353
NSN 5985-00-003-8752
NSN 5910-01-464-7665