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David Clark Lock Washer (100 Pack) – OEM Headset Hardware | 40688G-40
The David Clark Lock Washer (Part No. 40688G-40 / 00070M-03) is a genuine OEM hardware component designed to provide secure fastening and vibration resistance in David Clark aviation headsets. Each washer is precision-engineered to maintain tension and prevent loosening, ensuring long-lasting performance and reliability.
Authentic OEM David Clark hardware for aviation headset assembly.
Designed to maintain secure tension and resist vibration.
Ideal for headset repair, overhaul, and general maintenance work.
Pack of 100 lock washers – perfect for aviation service professionals.
Manufactured to meet David Clark’s exacting quality and durability standards.
The David Clark Lock Washer (40688G-40) offers dependable performance in environments where consistent fastening is critical. Commonly used in headset earcup and headband assemblies, this washer prevents component loosening caused by regular vibration and repeated use. Built from OEM-grade materials, these washers deliver superior corrosion resistance and fit precision. Whether you’re maintaining a single headset or servicing a fleet, this 100-pack provides the authentic hardware needed to ensure reliable headset operation and extended product lifespan.
Technical Specifications
Manufacturer: David Clark Company
Part Numbers: 40688G-40 / 00070M-03
Type: Lock Washer
Quantity: Pack of 100
Material: OEM-grade metal
Application: Headset assembly and maintenance
Compatibility: Select David Clark aviation headsets
Used 7 on heavily oxidized Airstream. Sanded off oxidation. Presto changeo, an almost mirror-like finish. Will stick with Nuvite. Important to follow instructional video.
This is an amazing aid to my fisning. Something serious inland fishermen should have. My only regret is that I didn't have this over the last 20 years.
