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S664 Standard Waterproof Metal Gear Servo 25T — image 1 of 2
S664 Standard Waterproof Metal Gear Servo 25T — image 2 of 2
S664 Standard Waterproof Metal Gear Servo 25T
S664 Standard Waterproof Metal Gear Servo 25T

Spektrum S664 Waterproof Metal Gear Servo 25T

Brand: Spektrum

Part No: SPMS664

$41.78 RRP $43.98

Expected 7th September 2026

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UK Delivery
Get it by Tuesday 8th Sep
Store Collection (Cannock)
Monday 7th Sep, once stock arrives
Dates are supplied by the manufacturer. They are usually accurate, but they can move and are not guaranteed.
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Description

The Spektrum S664 Standard Waterproof Metal Gear Servo 25T (SPMS664) is a digital, standard-size servo built for dependable control. It combines a 25-tooth output spline with durable metal gears and operates across a high-voltage 6.0–7.4V range. Delivering up to 260 oz-in of torque, the S664 offers strong, precise performance in a compact footprint, with a water-resistant design for added confidence in challenging conditions.

Key Specifications

  • Servo type: Digital, standard size
  • Output spline: 25-tooth (25T)
  • Operating voltage: 6.0–7.4V (HV)
  • Torque: 226 oz-in @ 6.0V; 260 oz-in @ 7.4V
  • Gears: Metal
  • Dimensions (L × W × H): 40 × 20 × 41 mm (1.58" × 0.79" × 1.62")
  • Water-resistant: Yes
  • Programmable: No

With its robust metal gear train and HV capability, the Spektrum S664 is a strong option when you need a standard-size, digital 25T servo that balances torque, durability, and compact dimensions.

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S664 Standard Waterproof Metal Gear Servo 25T Manuals & Guides

Manuals & Guides

Specifications

Spektrum™ S663 Servo Features
  • Waterproof*
  • 25 Tooth spline
  • Plastic case design
  • Metal Gear Train
  • Digital servo with 226 oz/in @ 6.0V and 260 oz/in @ 7.4V
  • Servo dimensions: 1.58in x .79in x 1.62in
  • Input Voltage 6.0V-7.4V
  • *Refer to the instruction manual for more details

S664 Standard Waterproof Metal Gear Servo 25T Specifications:

  • Gear Type: Metal
  • Part Type: Electronics
  • Product Height: 1.62" (41 mm)
  • Product Length: 1.58" (40 mm)
  • Product Width: 0.79" (20 mm)
  • Programmable: No
  • Servo Operating Voltage: 6.0 - 7.4V (HV)
  • Servo Size Category: Standard
  • Servo Type: Digital
  • Spline Count: 25 - Tooth
  • Torque: 226 oz/in @ 6.0V and 260 oz/in @ 7.4V
  • Water-Resistant: Yes



Key Info:
  • Brand: Spektrum
  • Part No: SPMS664
  • Barcode: 0605482184769
  • Fitment: Option Part
  • Fitment: Standard Part

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£3.95 to most of the UK

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£6.95 to most of the UK

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S664 Standard Waterproof Metal Gear Servo 25T Manuals & Guides

Manuals & Guides