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 6105-01-537-6978
NSN 5990-00-719-4947
NSN 5905-00-299-8000
NSN 6135-00-803-3012
NSN 6620-00-914-2742
NSN 5965-01-482-3119
NSN 5985-01-271-3358
NSN 6135-01-268-7056
NSN 5895-01-555-8654
NSN 6150-01-244-8558
NSN 5950-01-160-4919
NSN 5998-01-454-8469