Smith & Wesson J Frame Center Pin Nitride Finish Models 331 332 337 342 431 432 - 218820000

Smith & Wesson J Frame Cylinder Center Pin - Part #218820000

Factory new cylinder center pin with nitride finish designed for specific J Frame models. Critical component that secures the cylinder to the crane assembly, ensuring proper alignment and smooth swing-out operation.

Compatible J Frame Models:

• Model 331 (.32 H&R Magnum) - 1999-2003 (titanium, Airlite)
• Model 332 (.32 H&R Magnum) - 1999-2003 (titanium, Centennial)
• Model 337 (.38 Special +P) - 1999-2009 (titanium, Chiefs Special)
• Model 337PD (.38 Special +P) - titanium, Chiefs Special PD
• Model 342 (.38 Special +P) - 1999-present (titanium, Centennial Airlite)
• Model 342PD (.38 Special +P) - titanium, Centennial Airlite PD
• Model 431PD (.32 H&R Magnum) - titanium, Centennial PD
• Model 432PD (.32 H&R Magnum) - titanium, Centennial PD

Nitride Finish:

The nitride finish provides exceptional hardness, wear resistance, and corrosion protection. This advanced surface treatment creates a durable, low-friction coating that is standard on modern lightweight titanium J Frame models.

Caliber Compatibility:

.32 H&R Magnum, .38 Special, .38 Special +P

Key Features:

• Factory new OEM component - authentic Smith & Wesson quality
• Nitride finish for superior wear resistance and corrosion protection
• Precision machined for proper cylinder alignment
• Essential for safe cylinder swing-out and lockup
• Direct replacement part - fits titanium J Frame models listed above
• Low-friction coating for smooth operation

Function:

The center pin is a critical component that secures the cylinder to the crane (yoke) assembly. It ensures proper cylinder alignment, smooth rotation, and reliable lockup. Replace if worn, damaged, or if experiencing cylinder timing or alignment issues.

Installation:

Gunsmith installation recommended. Requires disassembly of cylinder crane mechanism and proper fitting to ensure correct function.

Need Help Identifying Your Model?

Swing out the cylinder and check behind the yoke on the frame for a model number. Model numbers began in 1957-58. Contact us with your serial number and we can help identify the correct parts.

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