David Clark Hybrid Boom Assembly w/ PTT M-2 Microphone (18740G-40)

Restore clear, reliable communications and convenient push-to-talk control with the genuine David Clark Hybrid Boom Assembly with PTT. This OEM replacement boom is designed for compatible David Clark headset setups using an M-2 microphone configuration.

• Genuine David Clark OEM hybrid microphone boom assembly
• Integrated Push-To-Talk (PTT) control for quick transmission
• Designed for M-2 / M-2H microphone boom configurations
• Helps restore stable mic positioning and smooth boom operation
• Ideal for headset maintenance, repair shops, and refurbishment

The David Clark 18740G-40 Hybrid Boom Assembly with PTT is an OEM replacement microphone boom designed for compatible David Clark aviation headsets that use an M-2 / M-2H microphone setup. Featuring an integrated push-to-talk switch, this boom assembly supports fast, reliable transmissions while maintaining the stable microphone positioning pilots need for clear cockpit communication. Worn boom joints, damaged wiring, or unreliable PTT performance can lead to intermittent audio and frustrating transmissions—especially in high-use training and operational environments. Replacing the boom assembly with the correct David Clark OEM part helps restore dependable communication performance and long-term headset reliability.

Technical Specifications

• Manufacturer: David Clark Company
• Part Number: 18740G-40
• Product Type: Hybrid Microphone Boom Assembly
• Microphone Compatibility: M-2 / M-2H configurations (per parts listings)
• PTT Function: Yes (integrated Push-To-Talk)
• Pack Quantity: 1 each
• Country of Origin: United States
• Export Classification: EAR99
• Condition: New
• Compatibility: Used in select David Clark headset microphone boom assemblies (model-specific)