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Plugs

250 Aluminum Lee Plug®

This member of our classic Lee Plug family is ideal for installation into aluminum manifolds. Lee plugs continue to be the simplest, most successful method for sealing cross-drilled holes. Upon installation of the pin, controlled expansion causes the lands and grooves of the plug to “bite” into the surrounding material, forming independent seals and retaining rings. Sizes range from 0.093 to 0.656 inches.

Key Product Facts
  • Plug Diameter:0.250 inches
  • Max. Sealable Passageway Diameter:0.218 inches
  • Proof Pressure:14,000 psi
  • Plug Material:Aluminum
  • Housing Material:Aluminum

Product Information

General Performance
 Class 1 Class 2 Class 3
Short 8 9 10
Long 9 12 14
Proof Pressure (psi x 1000)
Materials
PART MATERIAL SPECIFICATION FINISH
Pin 2024-T4 or T351 Aluminum SAE AMS-QQ-A-225/6 Alodine Yellow per MIL-DTL-5541 & Wax
Plug 2024-T4 or T351 Aluminum SAE AMS-QQ-A-225/6 Anodize Green per MIL-A-8625 Type II B
Dimensional Views & Installation Hole Details

For dimensions, please refer to the Part Numbers & Specifications tab.

Part Numbers & Specifications

This table below contains the part numbers and technical specifications for this product. If you have specific questions, need a quote, or would like to request a handbook or drawing, click the red request button in the column on the far right.

Image Specifications
Dimensional View
Installation Hole Details
Part Numbers & Specifications
Part Number Size D Max. D Min. C Nom. M Nom. K Nom. L Nom. Weight (g) A Min. N Dia. Ref. W Min. Ream Dia.
Class 1
Ream Dia.
Class 2
Ream Dia.
Class 3
Request Information
PLGA2500010A Short 0.25 0.2491 0.225 0.193 0.212 0.16 0.46 0.212 0.218 0.125 0.2500 - 0.2525 0.2500 - 0.2515 0.2500 - 0.2505 Request
PLGA2501010A Long 0.25 0.2491 0.365 0.333 0.212 0.265 0.8 0.352 0.218 0.125 0.2500 - 0.2525 0.2500 - 0.2515 0.2500 - 0.2505 Request
All dimensions are in inches. This information is for reference only.

Installation & Accessories

Replacement Parts & Accessories
Part Number Description
CUTA2500203A Installation Tool Set
CUTA2500103B Extraction Tool Set
CUTA2501103A Gauge
PLGA2600010A Short Oversize Lee Plug
PLGA2601010A Long Oversize Lee Plug
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Questions?

From plugs to solenoid valves, there’s a vast array of products that The Lee Company can offer. If you’d like to discuss the best solution for your specific application or to learn more about our capabilities, use-cases, or quality standards, contact your local Lee sales engineer.