Product Description
Hardy 1333831 B/I-Spring Stud (Brass)
The Hardy 1333831 B/I-Spring Stud is a high-precision internal component designed for the classic click-and-pawl mechanisms of Hardy fly reels. Machined from premium brass in Alnwick, England, this stud serves as the critical anchor point for the check spring. It provides the necessary leverage and positioning to maintain constant tension on the pawl, ensuring your reel delivers its signature audible click and consistent drag resistance.
As a genuine Hardy replacement part, this brass stud is engineered to the original factory specifications. Over time, original studs can become loose, corroded, or bent, leading to a "dead" or inconsistent clicker. Replacing a worn stud is essential for maintaining the mechanical timing and traditional feel of your heritage tackle.
Product Specifications
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Part Name: B/I-Spring Stud (Check Spring Pillar)
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Manufacturer Part Number (MPN): 1333831
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Material: Marine-grade Brass for natural lubricity and corrosion resistance.
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Finish: Precision-turned plain brass.
Models This Part Fits
The 1333831 Spring Stud is a fundamental part found in many of Hardy’s most iconic "Lightweight" and "Marquis" series reels. It is a direct OEM fit for:
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Hardy Marquis LWT Series: Sizes 2/3, 4, 5, 6, 7, and Salon
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Hardy Lightweight Series: Flyweight, Featherweight, LRH Lightweight, Princess, St. Aidan
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Hardy St. George Series: Modern LWT and heritage models
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Hardy Duchess Series: (All Sizes)
Technical Note: This stud is typically press-fit or threaded into the reel frame to provide a rigid post for the spring to wrap around or push against. For exact placement and orientation within the check-work housing, refer to the PDF schematics at www.reelschematic.com.
Key Features
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Structural Foundation: Maintains the precise geometry required for the check spring to apply even pressure to the pawl.
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Corrosion Resistance: The high-quality brass alloy is specifically chosen to withstand damp, humid environments without seizing or developing verdigris.
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Aesthetic Authenticity: Preserves the classic look of the Alnwick-made internals, ensuring your reel remains a true heritage piece.
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Precision Fit: Eliminates "spring slop," ensuring the audible alert is crisp and the drag engagement is instantaneous.
Maintenance & Lubrication
The contact point between the spring and this brass stud is a high-vibration area. To prevent metal fatigue and ensure smooth mechanical action, we recommend using Deuthlon high-performance lubricants:
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Anti-Corrosion Seal: Apply a thin layer of Deuthlon Power Grease to the base of the stud where it meets the frame. This prevents moisture from trapping in the joint and causing galvanic corrosion.
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Spring Action: Use a drop of Deuthlon Reel Gear Oil on the stud where the spring makes contact. This reduces friction and mechanical noise, resulting in a smoother feel when the drag is engaged.

