Trojan Replacement 1 7/8 Inch Lock Pin And Spring For Duofit

Restore crisp, reliable operation to your Trojan Duofit locking system with this dedicated replacement lock pin and spring. Sized at 1 7/8 inches, this single-pin assembly is engineered to drop into Duofit housings with precision, returning smooth engagement and secure closure. The part is designed to match the original specifications (T993109), ensuring a seamless retrofit without adapters or guesswork.

Why this Trojan replacement stands out

• Exact fit for Duofit 1 7/8" assemblies: The length and profile are precisely tuned to align with the Duofit mechanism, so you won’t guess at compatibility.
• Durable, dependable construction: Machined metal components deliver consistent performance under repeated use, with a spring that maintains reliable tension against the latch.
• Easy retrofit for quick repairs: Swap in this pin and spring assembly to restore proper latch action, often in minutes, with minimal tools.
• Retention-ready design: A base hole and solid shaft support secure alignment during installation and operation, reducing the risk of misfit or loosening over time.
• Trusted brand heritage: Trojan’s commitment to durable hardware means you’re restoring a part built to withstand daily wear in demanding environments.

Specifications and what to expect

• 1 7/8 inches (approximately 48 mm)
• Lock pin and accompanying spring assembly for Duofit systems
• Solid metal construction designed for long-term use
• Designed to replace the pin in Trojan Duofit locking mechanisms that require a 1 7/8" pin
• Part number T993109 (Trojan replacement pin and spring)

Practical use cases

Ideal for repairs on equipment and enclosures that employ the Duofit locking system where the original pin or spring has worn, stuck, or failed. By restoring the exact engagement geometry, this replacement helps prevent issues like misaligned latches, sticking movements, or dropped closures, keeping doors, panels, or compartments secure with confidence.

Installation tips

• Power down or disconnect any dependent mechanisms if applicable before starting the swap.
• Remove the old pin and spring, noting orientation to mirror during installation.
• Insert the Trojan lock pin into the Duofit housing until seated, then align the spring so it applies even tension against the latch.
• Check for smooth operation: the latch should engage cleanly with a positive, audible “catch.”

Why choose Trojan for your hardware repairs

Trojan has earned a reputation for building durable, precision-engineered locking components. This replacement pin and spring is designed to reproduce the exact feel and reliability of the original Duofit assembly, helping you extend the life of your lock system without the downtime or guesswork of incompatible parts. If you’re maintaining or repairing equipment that uses Trojan locking hardware, this dedicated replacement ensures compatibility, performance, and peace of mind.