Springs

Spring-i-pedia - "The complete guide to spring engineering"

Smalley Wave Springs - Space saving wave springs

Shigley - See Chapter 6 of Shigley's Standard handbook of machine design. You must be on UCSD Campus, using the Protected Wifi.

McMaster-Carr Springs - Distributor of springs. Quick shipping

Machined Springs - High precision springs

Lee Spring - Large catalog of springs with search tool based upon specifications

LEcture on Springs - Lecture by Prof. Nageswara Rao Posinasetti of University of Northern Ohio

Key Bellevilles, Inc - Largest manufacturer of Disc and Belleville springs

Grainger Springs - Hardware distributor with branches on Raytheon Rd San Diego. Phone: (858) 278-5120