Overview
The document is a datasheet for the JA71-215 and JA71-225 Dzus mount front panels, designed by Jupiter Avionics Corporation. These panels are used to mount standard 2 ¼ inch circular aircraft instruments, available in single or dual configurations.

Specifications
- Material: 6061T6 aluminium
- Finish: Scratch-resistant urethane paint
- Color Options: Black (FED-STD-37038) or Gray (FED-STD-36321)
- Weight: JA71-215: 0.20 lbs (0.09 kg) max; JA71-225: 0.35 lbs (0.16 kg) max

Design and Dimensions
The panels are machined for durability and precision, ensuring a professional appearance when mounting mixed avionics. Key dimensions include:
- JA71-215: 5.37 inches (136.3 mm) width, 2.62 inches (66.5 mm) height
- JA71-225: 5.75 inches (146.1 mm) width, 2.63 inches (66.8 mm) height

Installation
The panels are designed for easy installation, allowing for quick mounting of instruments. The use of Dzus fasteners ensures secure attachment and ease of maintenance.

Mechanical Drawings
The document includes detailed mechanical drawings for both the single and dual instrument panels, specifying dimensions and tolerances:
- Tolerances: 1 decimal place: 0.1, 2 decimal places: 0.01, 3 decimal places: 0.005, Angles: 0.5 degrees

Conclusion
The JA71-215 and JA71-225 panels provide a robust and aesthetically pleasing solution for mounting aircraft instruments, with options for customization in color and configuration.