RaceFlux Dowty Bonded Sealing Washer, for M28 & -12AN Threads, FKM

Seal a straight thread at the flange — with fuel-grade rubber: this Dowty bonded sealing washer pairs a metal outer ring with a bonded FKM (Viton) sealing lip, sealing under a fitting's flange as it tightens. Sized for M28 and -12AN threads, with FKM's chemical resistance for fuel and oil service.

Key Features

• Bonded metal ring with FKM (Viton) sealing lip
• Fits M28 and -12AN threads
• FKM elastomer handles fuel, oil, and heat

Fitment & Compatibility

• Common uses: large adapter and cooler fittings, fuel system sealing at parallel threads