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The Nanni Diesel 310049 washer is a precision flat washer used in the sail drive tail assembly to distribute clamping load and help protect mating surfaces during fastening. Specified for Nanni 2.50 HE Sail Drive and 3.75 HE Sail Drive engines, it supports secure assembly and reliable retention in a high-vibration marine drivetrain environment.
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Sail Drive Tail Fastener Washer for Nanni Diesel
The Nanni Diesel 310049 is a washer fitted within the sail drive tail assembly. Its role is to spread fastener load, help maintain consistent clamp force, and reduce the risk of surface damage around bolted joints—important for long-term reliability in marine propulsion installations.
Compatibility
- 2.50 HE Sail Drive engines
- 3.75 HE Sail Drive engines
Product Details
- Brand: Nanni Diesel
- Part Number: 310049
- Component Type: Washer
- Assembly Location: Sail Drive Tail (parts catalog p.7 and p.9)
Features
- Supports stable fastener preload in the sail drive tail assembly
- Helps distribute clamping force evenly to protect contact surfaces
- OEM replacement part for correct fit within Nanni sail drive components
- Well-suited for marine drivetrains subject to vibration and cyclic loading
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