https://www.compressionspring.com/pc012-140-14000-sst-0500-c-n-in.html
PC012-140-14000-SST-0500-C-N-IN | Compression Spring 302 Sta - Compression Spring Store
High-quality compression spring with a 0.012" wire diameter, 0.14" outside diameter, 1.02476 lb/in spring rate, and durable stainless steel construction.