
( Brand: Aircraft ), ( Manufacturer Part Number: MS21251-2L )
The MS21251-2L and MS212512L turnbuckles, manufactured by various reputable aerospace suppliers, are crucial components in the aerospace industry due to their robust design and high strength. These turnbuckles adhere to the stringent MS21251 specification established by SAE International, which establishes the material requirements, manufacturing processes, and dimensional tolerances.
Each turnbuckle is comprised of a barrel, conveniently marked in inches or millimeters, and a threaded rod with a screw. The barrel is primarily made from high-strength, corrosion-resistant materials, typically CrMoV or stainless steel. These materials offer a satisfactory balance between yield strength and ductility, ensuring the components can withstand repetitive loading and frequent strain without permanently deforming.
The screw and threaded rod provide the adjustment mechanism for these turnbuckles. The screw is usually chrome-plated for enhanced corrosion resistance and easier maintenance. The threads on both the screw and barrel can be left uncoated or treated with locking compounds to maintain the desired tension and prevent slippage during operation.
Available in various sizes to accommodate a range of applications, these MS21251-2L and MS212512L turnbuckles can be used in various aerospace components, such as rigging systems, load-bearing structures, and control systems. Their robust design and precise manufacturing ensure that they can perform reliably under high vibrations, extreme temperatures, and other challenging conditions frequently encountered in aviation applications. When assembled correctly, these turnbuckles enable rigidity, safety, and overall structural integrity of the airplanes or helicopters using them.
MS21251-2L and MS212512L turnbuckles are essential components used in various applications, particularly in the aviation industry and other sectors requiring high-strength and reliable tensioning devices. These turnbuckles come with some unique features and benefits, along with a few potential drawbacks. Here's a brief analysis of the pros and cons.
**Pros:**1. **High Mechanical Advantage:** MS21251-2L and MS212512L turnbuckles have a significant mechanical advantage compared to standard turnbuckles, making them adept at exerting a high tension force with a minimal effort. This feature is particularly beneficial in aviation applications for wing and control surface adjustments where maximum tension is required.
2. **Corrosion-Resistant:** Both MS21251-2L and MS212512L turnbuckles are designed with corrosion-resistant materials such as stainless steel or attractive finishes. These materials make them suitable for use in marine, aviation, and other harsh environments where exposure to the elements could negatively impact the performance of the component.
3. **Adjustability:** The barrel design of these turnbuckles allows for easy tension adjustment, making them an ideal choice for applications that require periodical tensioning or frequent configuration changes. This feature is highly desirable in aviation applications, where wing and control surface settings must be maintained to ensure aircraft safety and optimal performance.
4. **Standardization:** MS21251-2L and MS212512L turnbuckles adhere to the SAE AS5642 standard, meaning they're recognized and respected throughout the aviation industry. Their interchangeability provides flexibility in purchasing practices and offers soothing peace of mind when sourcing replacement parts.
**Cons:**1. **Cost:** High-strength, corrosion-resistant turnbuckles like the MS21251-2L and MS212512L tend to be pricier compared to their standard counterparts. This extra cost may not be feasible for applications where there is no need for the higher mechanical advantage or the corrosion resistance.
2. **Complex Design:** The barrel design of these turnbuckles might be more complex than traditional designs, requiring more precision during manufacturing and threading for ensuring proper sealing against elements when tightened. When dealing with large quantities, this can lead to increased production costs and extended production timelines.
3. **Limited Vendor Options:** Due to the specific standards and materials used in these turnbuckles, a limited number of vendors supply them, and obtaining them could prove more challenging compared to standard turnbuckles, potentially delaying project timelines and increasing costs.
In conclusion, MS21251-2L and MS212512L turnbuckles present valuable advantages such as high mechanical advantage, corrosion resistance, adjustability, and standardization. However, they come with drawbacks like increased cost, complex design, and limited vendor options. Based on your specific requirements and the importance of factors such as mechanical advantage, corrosion resistance, and cost, these turnbuckles might be a worthwhile investment. If, however, a standard turnbuckle will suffice, then they may not be the most economical choice. Ultimately, it's essential to evaluate your unique situation before deciding on the right turnbuckle for your application.
23589, New / nos Aircraft Turnbuckle Barrel. None of the items sold have been tested for functionality or operation unless stated otherwise. Airworthiness is to be determined only by the person or persons installing said item on Aircraft. NSN: 5340-01-231-7120.
Any of an item is for the sole purpose identifying. P/N MS21251-2L or MS212512L.: New / nos Aircraft Turnbuckle Barrel. All manuals are sold for reference purposes only and do not necessarily reflect current updates.