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 5855-00-004-0904
NSN 5935-01-146-7723
NSN 5999-00-111-8569
NSN 6610-01-656-0041
NSN 6620-01-446-2258
NSN 5999-01-065-8543
NSN 5985-01-360-6466
NSN 5930-00-411-7610
NSN 5910-00-560-2615
NSN 5930-01-289-5693
NSN 5905-00-045-9389
NSN 5930-01-297-2958