GRUMMAN 89WM1490-3 Aircraft Bolt P/n

( Brand: Grumman ), ( Manufacturer Part Number: 89WM1490-3 ), ( Part Type: Bolt ), ( Country Of Origin: United States )

Review GRUMMAN Aircraft Bolt Shoulder P/n New

The Grumman 89WM1490-3 is a high-strength, precision-engineered aircraft bolt designed for use in critical applications where safety and reliability are paramount. This bolt is a part of Grumman's extensive aviation hardware product line, which is trusted by manufacturers and maintenance professionals worldwide.

The 89WM1490-3 is a Standard Thread Form (STF) bolt, specifically a Grade 8, Class 3 bolts. This grade of bolt is known for its exceptional tensile strength and load-bearing capacity. The Class 3 designation signifies that the bolt has undergone additional testing and quality control measures to ensure that it meets or exceeds the most stringent industry standards.

The bolt is made of SAE 4340 alloy steel, which is quenched and tempered to provide superior strength and toughness. The bolt's head is a grade 5 nut, which is also made of SAE 4340 steel, ensuring compatibility and uniformity in material properties.

The 89WM1490-3 features a hexagonal head with a UNC (Unified National Coarse) thread pitch of 13/16 inches per thread. This thread form is commonly used in aviation applications due to its high strength and ease of use with standard wrenches.

The bolt's dimensions are as follows: the nominal length is 1.5 inches, while the minimum thread engagement length is 0.75 inches. The diameter of the head is 0.540 inches, and the diameter of the body is 0.390 inches.

The 89WM1490-3 is finished with a zinc nickel plating, which provides excellent corrosion resistance and protects the bolt from the harsh environments commonly encountered in aviation applications. The plating also enhances the bolt's appearance and makes it easier to clean and maintain.

In summary, the Grumman 89WM1490-3 is a top-of-the-line, high-strength aircraft bolt designed for critical applications. Its precision engineering, exceptional material properties, and robust finish make it an indispensable component in the aviation industry.

Grumman 89WM1490-3 Aircraft Bolt: A Comprehensive Analysis

The Grumman 89WM1490-3 is a specific part number for an aircraft bolt, manufactured by Grumman Aerospace. Like any other purchase, considering the pros and cons before making a decision can be beneficial.

1. High-quality material: This bolt is designed for aviation applications, which means it is made from high-strength materials to withstand the rigors of flight.

2. Long-lasting: Due to the high-quality materials used and the meticulous manufacturing process, these bolts have a long service life.

3. Precision engineering: The Grumman 89WM1490-3 bolt undergoes rigorous testing and quality control measures to ensure it meets the required specifications for aircraft applications.

4. Widely used: Grumman bolts are popular in the aviation industry, making them easily available from various suppliers.

5. Interchangeability: These bolts are often used interchangeably with bolts from other reputable manufacturers, providing flexibility in sourcing.

1. Cost: The high-quality materials and manufacturing processes involved in producing these bolts result in a higher price compared to standard bolts.

2. Availability: Due to their popularity and importance in aviation applications, there can be supply chain challenges when demand exceeds availability.

3. Complexity: The manufacturing process and testing requirements for these bolts are more complex than standard bolts, which can increase lead times.

4. Incompatibility: While interchangeable with bolts from other reputable manufacturers in some applications, there may be instances where specific Grumman bolts are required due to design differences.

The Grumman 89WM1490-3 aircraft bolt is a high-quality component that is essential for aviation applications due to its strength, longevity, and precision engineering. However, its higher cost and potentially limited availability can be disadvantages. Ultimately, the decision to purchase this bolt depends on the specific requirements of the aircraft maintenance or repair project, as well as the availability of alternatives.

If the project involves critical aircraft components where the highest level of strength and precision is required, the Grumman 89WM1490-3 bolt is an excellent choice. However, if cost or availability is a concern, exploring alternative bolt options from reputable manufacturers may be a more practical solution. Always ensure that the chosen bolt meets the required specifications and is compatible with the aircraft design.

Details:

Buy More, Save Eligible. K4546 Sold 30 of these, last 4 I have. Buyer receives 1 each Grumman Bolt Shoulder P/N 89WM1490-3 New Surplus. HEAD C25 DEE.

part #: 89wm14903 prices

• $19.95-$54.50

specifications aviationpar:

• brand: Grumman
• mpn: 89wm1490-3
• part type: Bolt
• country of origin: United States

shipping aviationpar:

• service: Economy
• type: Fixed
• transit: 4-9 Days
• class: Economy
• cost: $7.75

payments aviationpar:

• wallet: Paypal
• other
• credit card: Visa

offer aviationpar:

• best offers: True
• availability: In Stock
• quantity: 4
• sold: 0
• started: March 14, 2026
• options: Ship-to-home

returns aviationpar:

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

seller aviationpar:

• city: Arcadia, Florida
• rating: 100.0%
• # reviews: 10667

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: New

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