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 5930-01-416-7615
NSN 2925-00-290-7052
NSN 5998-01-507-0792
NSN 5930-00-369-4140
NSN 5998-01-359-9956
NSN 6150-01-222-8457
NSN 5990-01-419-0661
NSN 5895-01-513-5597
NSN 6240-01-418-2606
NSN 5965-01-641-9313
NSN 5925-00-411-5170
NSN 5950-01-535-8278