
Rack Mount Chassis
- 1U–9U heights, 12–26" depth options
- MIL-C-5541E Type I Class 3 finish option
- Class A/XX certified welders & assemblers
MIL-C-5541E Type I Class 3
EIA-310d Compliant
Caltrans Certified DBE
4U rackmount chassis systems from Ron Nunes Enterprises are precision-fabricated aluminum enclosures designed for 19-inch rack compatibility. Available in multiple depths, MIL-spec finishes, and modular configurations, they serve defense, telecom, data center, and industrial applications with over 55 years of manufacturing expertise.






Our 4U rackmount chassis are engineered to fit standard 19-inch rack enclosures per EIA-310d specifications. The panel width is 17 inches, configured for universal 19-inch rack systems. Available depths include 8, 12, 14, 20, and 26 inches, with custom depths available on request to accommodate specific installation requirements.
Talk to our experts for custom solutions and tailored guidance.

MIL-C-5541E compliant chassis for defense electronics packaging, field deployments, and government installations.

Standard 19-inch compatible chassis for telecom and data center rack-mounted networking equipment.

Chassis used in government labs and physics research facilities requiring precise rack-mount enclosures.

Custom chassis solutions for OEM systems integrators and industrial equipment housing applications.
Talk to our experts for custom solutions and tailored guidance.
Since 1969, Ron Nunes Enterprises has delivered precision rack chassis to defense, telecom, and industrial sectors with proven manufacturing excellence.
Chassis meet MIL-C-5541E and EIA-310d standards with certified materials and Class A/XX welders ensuring quality for mission-critical applications.
Stock items ship within 3 business days; custom rack chassis are delivered within 15 working days with full engineering support available.
Submit your specifications and our sales team will respond with pricing, lead times, and custom configuration options tailored to your project.
For immediate assistance, feel free to give us a direct call at 1-877-800-7225. You can also send us a quick email at sales@ronnunes.com.
For immediate assistance, feel free to give us a direct call at 1-877-800-7225. You can also send us a quick email at sales@ronnunes.com.