John Evans’ Sons manufactures custom and specialized springs for a variety of applications. Browse our comprehensive resources below to learn more about our offerings, spring design, installation, and more. If you don’t find the information you’re looking for, please reach out to our team.
Certifications
eBooks
Custom Spring Design Guide
Learn MoreMilitary and Defense Guide to Shock & Vibration Isolator Equipment
Learn MoreThe Engineer’s Guide to Aerospace & Defense Springs
Learn MoreBrochures
Case Studies
How John Evans’ Sons Helped Engineer a Mars Mission
Blogs
Beyond the Certificate: What AS9100 Means for Aerospace Spring Quality
For an aerospace spring buyer, a supplier's AS9100 certificate can look like a formality—a document to check off during vendor qualification. In practice, the standard...
Improving Trailer Tarp Longevity with Heavy-Duty Spiral Torsion Springs
Fleet operators depend on resilient hardware to transport loads safely over long distances. Spiral torsion springs are used to support the reliable deployment of trailer...
The Spring Behind the Push: Variable Force Pusher Springs for Retail Displays
Retail display systems must maintain consistent product positioning while minimizing manual restocking. In high-volume Point of Purchase (POP) environments, inconsistent product flow can lead to...



















