I would think the old hardware stores, not the big boxes or a plumbing supply store would be able to fix you up. If that fails you could try Grainger 413 Granite Run Dr, Lancaster, PA 17601-6809 (717) 560-3630.
1953 Chevrolet 3600 Fried Green T'mater (Vern) In the Stovebolt Gallery Caution: Political Statement Man who runs in front of car gets tired, man who runs behind car gets exhausted.