BOEING 66-12976-1 Lock Pin

( Brand: Boeing ), ( Manufacturer Part Number: 66-12976-1 ), ( Part Type: Lock Pin )

Review BOEING Lock Pin

The Boeing 66-12976-1 lock pin is a critical component used in various aircraft applications, specifically designed to provide secure fastening of critical assemblies. This lock pin is manufactured by Boeing, a globally recognized leader in aerospace technology and manufacturing.

Measuring 2.125 inches in length with a diameter of 0.250 inches, this lock pin is made from high-strength material to ensure maximum durability and resistance to fatigue. Its threaded end features a 17-7Philips head, providing a secure and reliable means of attachment. The other end is conical in shape with a 0.375 inch diameter, designed to fit snugly into the corresponding hole in the mating component.

This lock pin is also heat-treated, ensuring it retains its strength even in extreme temperature conditions. The surface is finished with a protective coating to prevent corrosion and ensure the longevity of the component in harsh aircraft environments.

The Boeing 66-12976-1 lock pin is a crucial element in maintaining the structural integrity and safety of an aircraft. Its precise dimensions, high-strength material, and reliable thread design ensure a secure connection, providing peace of mind for both manufacturers and operators.

In conclusion, the Boeing 66-12976-1 lock pin is a vital component in the aerospace industry, engineered for strength, reliability, and resistance to extreme conditions. Its precise dimensions, high-strength material, and protective coating make it an essential tool for maintaining the safety and integrity of aircraft structures.

Buying a Boeing 66-12976-1 lock pin involves considering several pros and cons before making a decision. This part is essential for securing various aircraft components, and its reliable performance is crucial for safety. Here are some potential advantages and disadvantages:

1. High-quality manufacturing: Boeing is a well-known and reputable aerospace company. The 66-12976-1 lock pin is likely to be manufactured to high standards, ensuring its durability and longevity.

2. Precision fit: The lock pin is designed to fit precisely in its application, reducing the risk of vibration, loosening, or failure.

3. Safety: The lock pin plays a crucial role in securing essential aircraft components. Its reliable performance can contribute to the overall safety of the aircraft and its passengers.

4. Replacement: If the existing lock pin is worn out or damaged, purchasing a new one ensures that the component remains secure and functional.

5. Compliance: Adhering to the aircraft's maintenance schedule and replacing worn-out parts, such as the lock pin, ensures that the aircraft remains compliant with regulatory requirements.

1. Cost: Replacing a lock pin can be an expensive proposition, especially for commercial airlines or large aircraft operators.

2. Availability: Depending on the specific aircraft model and the availability of stock, it may take time to source and receive the lock pin, potentially causing operational disruptions.

3. Handling and installation: The lock pin may require specific handling and installation procedures to ensure its proper function and safety.

4. Ongoing maintenance: Regular inspections and maintenance of the lock pin and related components are necessary to ensure their continued safe and reliable operation.

The decision to buy a Boeing 66-12976-1 lock pin involves weighing the benefits of high-quality manufacturing, precision fit, safety, replacement, and compliance against the potential drawbacks of cost, availability, handling, and ongoing maintenance. Given the critical role the lock pin plays in securing essential aircraft components and ensuring the safety of passengers, the advantages generally outweigh the disadvantages. Therefore, purchasing a new Boeing 66-12976-1 lock pin is typically a wise investment for aircraft operators.

Details:

With its trusted brand and manufacturer part number, this lock pin is a reliable essential for aircraft maintenance repair. This lock pin is designed to secure and hold components in place, ensuring stability safety various aircraft systems. The 66-12976-1 Lock Pin is a new surplus part manufactured by Boeing.

part #: 66129761 prices

• $40.00-$50.00

specifications aviationpar:

• brand: Boeing
• mpn: 66-12976-1
• part type: Lock Pin

shipping aviationpar:

• carrier: UPS
• transit: 7-7 Days
• type: Calculated
• service: UPS 2nd Day Air
• class: Expedited
• cost: $41.96

seller aviationpar:

• # reviews: 9
• city: Hollywood, Florida
• rating: 90.9%

returns aviationpar:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: New other see details

offer aviationpar:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• best offers: True
• started: November 27, 2025

payments aviationpar:

• credit card: Visa
• wallet: Google-pay
• other

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