Product Description
Mitchell 81362 Hex Nut – Heavy-Duty Rotor Retaining Nut
Secure the rotor of your large-frame Mitchell reel with the Mitchell 81362 Hex Nut. This high-strength fastener is the primary locking component that holds the rotor assembly onto the pinion gear of Mitchell’s saltwater series. Given the extreme torque and heavy loads encountered in surf and offshore fishing, maintaining a tight, vibration-free connection at the rotor is vital for the longevity of your drive train.
Over years of use and maintenance, these nuts can become rounded, corroded by saltwater, or stripped if improper tools are used. Replacing a compromised nut with this genuine 810362 model restores the structural integrity of your reel, ensuring that the rotor remains perfectly centered and balanced during high-speed retrieves and heavy fights.
Product Specifications
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Part Number: 81362
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Alternate Part Numbers: 9081362, 81-362
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Component Type: Rotor Retaining Hex Nut / Main Axle Nut
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Material: Marine-grade brass or hardened alloy for superior thread strength and resistance to salt-induced oxidation.
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Fitment: Oversized hex design specific to the large-frame 300/400 saltwater chassis.
Compatible Mitchell Models
The Mitchell 81362 is a specialized heavy-duty nut designed to fit the following saltwater spinning reels:
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Mitchell 302 (Saltwater Standard)
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Mitchell 302A / 302N
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Mitchell 303 (Saltwater Lefty)
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Mitchell 402 (Saltwater High-Speed)
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Mitchell 403 (Saltwater High-Speed Lefty)
Maintenance & Installation Guide
The rotor nut is a frequent victim of "salt-lock." Proper lubrication during assembly is the best way to ensure the reel remains serviceable for years to come:
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Anti-Seize Protection: Before threading the nut, apply a thin layer of Deuthlon Reel Grease to the pinion gear threads. This acts as a barrier against galvanic corrosion, ensuring the nut can be easily removed for future cleanings.
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Surface Protection: Once the nut is tightened, a light coating of Deuthlon Reel Oil over the exposed faces of the hex nut will help shed water and prevent salt crystals from forming in the crevices.
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Torque Note: Use the correct wrench size to avoid "rounding off" the corners of the nut. Ensure it is firmly tightened to prevent rotor wobble, but avoid over-torqueing, which can stress the pinion gear (Part #81335).
For a detailed view of the rotor assembly and the orientation of the rotor washer in relation to this nut, consult the PDF schematics at www.reelschematic.com.
Why Choose This Part?
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Heavy-Duty Construction: Thicker profile and deeper threads compared to standard 300-series nuts to handle saltwater stress.
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Corrosion Resistance: Specially chosen alloys prevent the nut from bonding to the pinion gear in high-humidity environments.
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Mechanical Safety: Ensures the rotor stay securely fastened even during the most aggressive "pumping" and winching maneuvers.

