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 6110-01-289-2733
NSN 5905-01-421-1239
NSN 5965-01-506-1415
NSN 6135-01-422-1440
NSN 6110-01-199-3948
NSN 5895-01-312-4399
NSN 6105-01-010-0087
NSN 6650-01-524-4231
NSN 5925-01-050-8410
NSN 5910-01-555-8811
NSN 5950-01-180-8061
NSN 5996-01-368-9058