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 4140-01-526-0835
NSN 5985-01-419-2218
NSN 6145-00-466-4068
NSN 5950-00-005-4569
NSN 5925-00-275-0380
NSN 5960-01-250-5502
NSN 6135-00-377-9165
NSN 5910-00-720-0530
NSN 6620-01-536-7799
NSN 5985-01-206-4729
NSN 5998-00-984-7627
NSN 5910-01-580-4889