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 5998-01-252-3046
NSN 2925-01-087-4184
NSN 5895-01-092-8094
NSN 6220-01-585-6892
NSN 5996-01-447-7116
NSN 5985-01-415-2825
NSN 5950-01-461-8783
NSN 6240-01-135-3874
NSN 6135-01-190-2628
NSN 5895-00-050-1541
NSN 5910-01-570-7343
NSN 5935-01-464-0945