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 5855-01-085-5354
NSN 6150-01-321-6183
NSN 6645-01-398-1691
NSN 5920-01-111-7178
NSN 6130-00-325-5811
NSN 6105-01-173-6972
NSN 6150-00-596-9882
NSN 6645-01-507-7040
NSN 5905-00-187-0428
NSN 6135-00-826-4798
NSN 5960-00-239-3054
NSN 6105-01-466-2928