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 5950-01-333-8510
NSN 5960-00-204-7506
NSN 6110-01-546-9754
NSN 2925-01-112-8782
NSN 6645-01-598-8118
NSN 5999-01-451-6553
NSN 6150-01-648-7364
NSN 5950-01-422-1361
NSN 5999-00-240-4972
NSN 6135-00-223-9563
NSN 6320-00-394-8458
NSN 6130-01-190-3332