LAS AEROSPACE LTD NAS1581C3R3 Sk Reduced Head Bolt Screw 189

( Brand: Las Aerospace Ltd ), ( Manufacturer Part Number: NAS1581C3R3 ), ( Part Type: Head Bolt Screw )

Review LAS AEROSPACE LTD 189 Stainless Sk Reduced Head Bolt Screw

The LAS Aerospace Ltd NAS1581C3R3 189 sk reduced head bolt screw is a high-performance fastener specifically designed for aerospace applications. This bolt is manufactured to meet the stringent requirements of the aerospace industry, ensuring the utmost levels of safety and reliability.

The NAS1581C3R3 bolt is a type of reduced-head bolt, which means that its head is smaller than that of a standard bolt. This feature is particularly useful in confined spaces or applications where clearance is limited. The screw head has a countersunk design, allowing it to be recessed below the surface of the installation material.

The bolt is made of SAE 304L stainless steel, which provides excellent corrosion resistance and strength. The material is also known for its ability to maintain its mechanical properties over a wide range of temperatures, making it an ideal choice for aerospace applications where temperature fluctuations are common.

The thread form of this bolt is UNC, which stands for Unified National Coarse. The UNC thread form is widely used in the aerospace industry due to its high load capacity and ease of use. The thread pitch is 13 per inch, and the bolt has an 189 thread length.

The NAS1581C3R3 bolt also features a tri-lobed head, which provides additional clamping force compared to a standard hex head bolt. This feature helps to ensure that the fastener remains securely engaged with the installation material, even in high-load applications.

The bolt is supplied with a washer and a nut, making it a complete assembly that is ready for installation. The washer helps to distribute the load evenly across the installation surface, while the nut is used to secure the bolt in place.

In summary, the LAS Aerospace Ltd NAS1581C3R3 189 sk reduced head bolt screw is a high-quality, high-performance fastener designed for use in the demanding environment of the aerospace industry. Its small size, excellent corrosion resistance, high load capacity, and additional clamping force make it an ideal choice for applications where safety, reliability, and performance are paramount.

The LAAS Aerospace LTD NAS1581-C3R3 189 sk reduced head bolt screw is a type of fastener commonly used in aviation and aerospace industries due to its high strength and resistance to vibration. Here are some pros and cons of buying this specific screw:

1. High Strength: This screw is made of SAE 302 Stainless Steel, which provides excellent tensile strength and resistance to fatigue.

2. Reduced Head Design: The reduced head design allows for clearance in confined spaces and reduces the risk of galling or seizing during installation.

3. ANSI/ASME Standard: The NAS1581-C3R3 specification is an ANSI/ASME standard, ensuring consistency and interchangeability with other similar screws.

4. Corrosion Resistance: The stainless steel material used in the screw makes it highly resistant to corrosion, making it an ideal choice for harsh environments.

1. Cost: Compared to standard screws, aerospace-grade screws like the NAS1581-C3R3 can be more expensive due to the high-strength materials and manufacturing processes used.

2. Specific Application: These screws are designed for use in specific applications in the aerospace industry and may not be suitable for other industries or applications.

3. Availability: Due to the specialized nature of these screws, they may not be readily available at local hardware stores and may need to be ordered from specialized distributors or manufacturers.

The LAAS Aerospace LTD NAS1581-C3R3 189 sk reduced head bolt screw is a high-performance fastener designed for use in the demanding environments of the aerospace industry. Its high strength, corrosion resistance, and reduced head design make it an ideal choice for applications where reliability and durability are critical. However, its cost and limited availability may make it less suitable for other industries or applications where standard screws would suffice.

If you require a high-strength, corrosion-resistant fastener for use in the aerospace industry or a similar demanding application, the LAAS Aerospace LTD NAS1581-C3R3 189 sk reduced head bolt screw is an excellent choice. However, if you are looking for a standard screw for general use, you may be able to find a more cost-effective option. Always ensure that you are using the correct screw for your specific application to ensure safety and reliability.

Details:

Paperwork and part number call this item bolt even though it is more like a screw.

specifications aviationpar:

• brand: Las Aerospace Ltd
• mpn: Nas1581c3r3
• part type: Head Bolt Screw

offer aviationpar:

• best offers: True
• started: August 3, 2025
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

seller aviationpar:

• rating: 100.0%
• # reviews: 1
• city: Lawrenceburg, Indiana

shipping aviationpar:

• cost: $8.05
• carrier: USPS
• cLass: Standard
• service: USPS Ground Advantage
• transit: 4-10 Days
• type: Calculated

general aviationpar:

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

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