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BOEING NAS1004-6 Alloy Close Tolerance Hex Head Bolt 1/4-28 .919

fits model: 660.

Nas1004-6 Boeing 1 660 Stainless Alloy Close Tolerance Hex Head Bolt 1/4-28 X .919 Inch

( Brand: Boeing ), ( Manufacturer Part Number: NAS1004-6 ), ( Part Type: Head Bolt )

Review BOEING Stainless Alloy Close Tolerance Hex Head Bolt 1/4-28 .919 Inch fits 660

The Boeing NAS1004-6 660 alloy close tolerance hex head bolt is a high-performance fastener specifically designed for use in aerospace applications. This bolt, with a thread size of 1/4-28 and a material specification of 919, is manufactured from 660 alloy, a material known for its superior strength and durability.

This close tolerance hex head bolt is characterized by its precise hexagonal shape, ensuring a secure and even seating of the nut. The hex head provides an excellent grip for tools during the tightening process, and the close tolerance design ensures a reliable and leak-free seal in high-pressure environments.

The 919 material specification of this bolt signifies that it is made from a high-strength, low-alloy steel with a minimum tensile strength of 100,000 psi. This material is commonly used in aircraft structures due to its excellent mechanical properties, including high strength, good weldability, and good corrosion resistance.

The Boeing NAS1004-6 660 alloy close tolerance hex head bolt is manufactured under stringent quality control procedures to ensure that it meets the highest standards for dimensional accuracy, material properties, and mechanical performance. This bolt is suitable for use in critical applications where safety and reliability are paramount, such as in the aerospace industry.

Overall, the Boeing NAS1004-6 660 alloy close tolerance hex head bolt is a versatile and high-performance fastener, designed to provide superior strength, durability, and reliability in demanding applications. Its precise dimensions, high-strength material, and close tolerance design make it an ideal choice for use in critical aerospace structures.

Boeing NAS1004-6 660 alloy close tolerance hex head bolts with a 1/4-28 thread pitch and a 919 series designation are commonly used in aerospace and other high-stress industries due to their superior strength and tight tolerance specifications. Here are some pros and cons of buying these bolts:

Pros:

1. High Strength: The 660 alloy material used in these bolts is strong and can withstand high loads. This makes them ideal for applications where safety and reliability are critical.

2. Tight Tolerance: The close tolerance specifications of these bolts ensure that they fit snugly in their intended application, reducing the risk of loosening or failure.

3. Corrosion Resistance: The 919 series bolts are made of a material that provides excellent corrosion resistance, making them suitable for use in harsh environments.

4. Compliance with Industry Standards: These bolts meet the stringent requirements of various industry standards, including those set by Boeing and other aerospace manufacturers.

5. Consistent Quality: Manufactured by a reputable company like Boeing, these bolts are known for their consistent quality and reliability.

Cons:

1. Cost: Due to their high-performance materials and tight tolerance specifications, these bolts can be more expensive than standard bolts.

2. Limited Availability: These bolts may not be readily available at local hardware stores or online marketplaces, and may need to be ordered from specialized suppliers or directly from Boeing.

3. Hand-Threading: Due to their close tolerance specifications, these bolts may require hand-threading to ensure proper seating and prevent damage to the threads.

In conclusion, Boeing NAS1004-6 660 alloy close tolerance hex head bolts offer superior strength, tight tolerance, and corrosion resistance, making them an excellent choice for applications where safety and reliability are paramount. However, they come with a higher cost and limited availability, and may require hand-threading for proper installation.

If you are in an industry that requires these bolts, it is recommended to establish a relationship with a reputable supplier who can provide you with consistent quality and availability. This will help ensure that you have access to the bolts you need, when you need them, without compromising on safety or reliability.

Details:

Brand new spotless NAS aerospace hardware great for race cars, sprint Aircraft, etc. 1/4-28 x .919. Hex Head Drive.

specifications aviationpar:

  • for models: 660
  • brand: Boeing
  • mpn: Nas1004-6
  • part type: Head Bolt

offer aviationpar:

  • started: October 30, 2025
  • availability: In Stock
  • quantity: 4
  • options: Ship-to-home
  • sold: 0

shipping aviationpar:

  • service: USPS Ground Advantage
  • class: Standard
  • carrier: USPS
  • cost: $5.00
  • type: Fixed
  • transit: 3-7 Days

payments aviationpar:

  • wallet: Google-pay
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  • credit card: Discover

returns aviationpar:

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

general aviationpar:

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

seller aviationpar:

  • city: Ashland, Oregon
  • rating: 100.0%
  • # reviews: 41
for models: 660, part type: head bolt,
category: auto parts > aviation parts accessories > parts, sku: 17960305671424632,
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