A6390 Mid-Torque Mid-Speed Analog Standard Servo ** CLEARANCE **

The Spektrum A6390 Mid-Torque Mid-Speed Analog Standard Servo (SPMSA6390) is a budget-friendly, standard-size sport servo for air models. A lightweight nylon gear train, single ball‑bearing output shaft and robust composite plastic case provide dependable control. At 6.0V it delivers up to 66.7 oz-in of torque with a swift 0.14 s/60° transit speed. Supplied hardware and three heavy-duty plastic arms make installation straightforward.

Key Features

• Mid-torque, mid-speed analog standard servo for sport and trainer aircraft
• Nylon/plastic gear train with single ball-bearing output shaft
• Robust composite plastic case
• Universal connector with 305 mm (12") lead, 22 AWG
• 23-tooth spline and 120° rotation range

Specifications

• Servo Type: Analog
• Application: Air
• Input/Operating Voltage: 4.8V–6.0V
• Maximum Speed: 0.17 s/60° @ 4.8V; 0.14 s/60° @ 6.0V
• Maximum Torque: 48.6 oz-in (3.5 kg-cm) @ 4.8V; 66.7 oz-in (4.8 kg-cm) @ 6.0V
• Rotation Range: 120°
• Spline Count: 23-tooth
• Bearing: Single
• Gear Type: Nylon
• Water-Resistant: No
• Programmable: No
• Dimensions (L x W x H): 1.52" x 0.74" x 1.36" (39 x 19 x 35 mm)
• Weight: 1.3 oz (37 g)
• Connector Type: Universal; Lead Length: 12" (305 mm); Wire Gauge: 22 AWG
• Deadband: 3 µs

What’s Included

• Spektrum A6390 analog standard servo
• Mounting hardware
• 3x heavy-duty plastic servo arms

Suggested Compatibility

• 60-size or smaller trainer and sport aircraft (suggested compatibility)