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Writer's pictureAkash Singh

The Essential Guide to Amazon FNSKU Barcodes: Key to Efficient Inventory Management

Updated: 4 days ago


Did you know that 94% of Amazon sellers utilize Fulfillment by Amazon (FBA) to streamline their operations? This high adoption rate underscores the importance of efficient inventory management, a cornerstone of which is the Amazon FNSKU barcode. Understanding and properly using the Amazon FNSKU barcode is crucial for sellers to ensure accurate product tracking and prevent inventory mix-ups. 

This blog will delve into what the Amazon FNSKU barcode is, its importance, and how to create and label your products with it.



What is an Amazon FNSKU Barcode?


An Amazon FNSKU barcode, or Fulfillment Network Stock Keeping Unit, is a distinctive barcode assigned specifically within Amazon's fulfillment network. This unique identifier plays a crucial role in the Fulfillment by Amazon (FBA) process. For sellers using FBA, the FNSKU ensures that each product is correctly attributed to the right seller, which is essential for accurate sales and inventory management.


The FNSKU is indispensable for effective inventory tracking and management. It helps Amazon monitor stock levels, manage inventory efficiently, and ensure that sales are correctly attributed to the seller. This barcode provides a streamlined system for tracking products throughout the fulfillment process, helping to prevent errors and maintain accurate records of inventory movements.



Importance of FNSKU


The Amazon FNSKU barcode is more than just a unique identifier—it's a critical tool for ensuring the smooth operation of your FBA business. Its importance extends beyond mere tracking; it addresses several key challenges that Amazon sellers face.


  • Prevents Confusion Between Similar Products: Distinguishes products from different sellers, even if they are identical in other aspects.

  • Helps in Avoiding Commingled Inventory: Ensures your inventory remains separate from other sellers’ stock, reducing the risk of errors.

  • Ensures Accurate Product Tracking and Seller Credit: Each sale is attributed correctly, ensuring you get credit for your sales.

  • Usage in Preventing Counterfeit Products and Inventory Mix-Ups: Provides an additional layer of security against counterfeit items and inventory errors.


Embracing the Amazon FNSKU barcode is crucial for maintaining a well-organized and secure inventory system. It not only safeguards against mix-ups and errors but also enhances overall efficiency by clearly distinguishing your products from those of other sellers. By integrating the Amazon FNSKU barcode into your inventory management practices, you are investing in accuracy and reliability, paving the way for a more streamlined and successful selling experience on Amazon.




Differences Among ASIN, UPC, and FNSKU


When selling on Amazon, understanding the distinctions between ASIN, UPC, and FNSKU helps in effective product tracking and cataloging. Each of these identifiers serves a unique purpose, and recognizing their differences can help streamline your operations on Amazon.


1. ASIN


Image Source: Sistrix


  • Amazon Standard Identification Number: A unique identifier assigned to every product on Amazon.

  • Usage: Helps in cataloging and managing products on the platform.

  • Application: Within the Amazon ecosystem. Manages and catalogs products. It does not facilitate cross-platform product identification.


2. UPC


Image Source: Quora


  • Universal Product Code: A global barcode used to identify products across different platforms and retailers.

  • Usage: Facilitates product identification and tracking in a universal retail context.

  • Application: Globally recognized code used in various retail environments and e-commerce platforms for universal product identification.


3. FNSKU


Image Source: Consolidated Label Co.


  • Unique Amazon Barcode for FBA Inventory: Specific to Amazon's fulfillment network, ensuring accurate seller product identification.

  • Usage: Critical for FBA sellers to maintain inventory integrity and trackability within Amazon's system.

  • Application: Unique to Amazon’s fulfillment network and is crucial for FBA sellers to manage inventory, prevent commingling, and track products precisely within Amazon's system.


Identifier

Definition

Usage

Scope

Application

ASIN

Amazon Standard Identification Number

Cataloging and managing products on Amazon's platform

Specific to Amazon

Used to locate and manage products on Amazon

UPC

Universal Product Code

Universal product identification across various platforms

Global

Used for product tracking in retail and e-commerce

FNSKU

Fulfillment Network Stock Keeping Unit

Tracking and managing FBA inventory

Specific to Amazon’s fulfillment network

Used by FBA sellers to ensure accurate product tracking and separation

Table 1: Distinction Among ASIN, UPC, and FNSKU.


While ASIN, UPC, and Amazon FNSKU barcode each play vital roles in product identification and management, they cater to different aspects of the retail and fulfillment processes. Using the correct identifier for each stage of your product's journey can significantly improve your inventory management and sales accuracy.



Process of Creating an Amazon FNSKU Barcode


Creating and managing an Amazon FNSKU barcode is a fundamental step for any Amazon seller using FBA. This process ensures that your products are correctly identified and tracked within Amazon’s fulfillment network. Here’s a step-by-step guide to help you generate and utilize your FNSKU effectively.


1. Enable FBA Inventory with Amazon Barcode: Ensure your products are set up for FBA in your Seller Central account. This setup is crucial for generating an FNSKU.


Checking FNSKU Colum in Your Inventory. 

Image Source: JungleScout


  • Steps in Seller Central to Find and Generate the FNSKU:

    • Log into Seller Central.

    • Navigate to the Inventory tab and select 'Manage FBA Inventory'.

    • Find the product and select 'Print Item Labels' from the dropdown menu.

    • The system will generate the FNSKU barcode for your product.


Select ‘Print Item Labels’.

Image Source: JungleScout


2. Export and Print the FNSKU Code: Export the generated FNSKU and print it on labels.


Sample Amazon FNSKU Barcode.

Image Source: eCommerce Nurse


Generating an Amazon FNSKU barcode is a straightforward process that plays a crucial role in managing your FBA inventory. By following these steps in Seller Central, you ensure your products are accurately tracked and attributed within Amazon’s system. Properly creating and printing your FNSKU labels helps maintain inventory integrity and improves the efficiency of your fulfillment operations.



FNSKU Label Specifications and Requirements


Adhering to Amazon's specifications and requirements for FNSKU labels is vital for ensuring smooth inventory processing and accurate tracking. Proper labeling practices, barcode formatting, and using the right printer and paper can make a significant difference in maintaining the integrity and efficiency of your fulfillment operations. Here’s what you need to know to meet Amazon's FNSKU labeling standards.


  1. Correct Labeling Practices and Requirements for Printed Barcodes:

  2. Ensure labels are clear and scannable.

  3. Apply labels to a flat, smooth surface on the product packaging.

  4. Guidelines for Barcode Formatting:

  5. Use standard barcode formats and sizes as recommended by Amazon.

  6. Ensure high print quality for accurate scanning.

  7. Printer and Paper Requirements for FNSKU Labels:

  8. Use high-quality printers and durable label paper.

  9. Consider thermal printers for long-lasting, smudge-proof labels.


 Following Amazon’s FNSKU label specifications and requirements are key to maintaining inventory accuracy and ensuring efficient fulfillment. Properly labeled products help ensure that your inventory is processed quickly and accurately, ultimately supporting a smoother and more reliable selling experience on Amazon.



Process of Labelling Products with FNSKU


Properly labeling your products with Amazon FNSKU barcodes is essential for maintaining inventory accuracy and ensuring seamless fulfillment through Amazon FBA. Whether you choose to label your products yourself, have your supplier do it, or use Amazon’s labeling service, it’s important to understand the process and best practices. Here’s a guide to help you navigate your labeling options and the steps involved in applying FNSKU labels.


Labeling Options:


  • Self-Labeling: Print and apply the labels yourself. This option gives you full control over the labeling process but requires time and resources.

  • Supplier Labeling: Have your supplier print and apply the labels. This can be convenient and time-saving, especially if your supplier is already handling other aspects of your product packaging.

  • Amazon Labeling Service: Utilize Amazon’s labeling service for a fee. This option ensures that labeling is done according to Amazon’s standards and can save you time and effort.


Step-by-Step Process to Print and Apply FNSKU Labels:


  1. Print the FNSKU Labels: Use a reliable printer to ensure high-quality, clear barcodes.

  2. Apply the Labels Correctly: Ensure each label is applied to the correct product. Proper placement is crucial for accurate scanning.

  3. Cover Any Existing Barcodes: To prevent confusion and scanning errors, make sure that any existing barcodes are fully covered. This ensures that the FNSKU is the only scannable code on the product.


Choosing the right labeling option and following the correct steps to apply FNSKU labels are key to maintaining efficient inventory management and accurate tracking. Whether you label the products yourself, delegate the task to your supplier, or use Amazon’s labeling service, ensuring that FNSKU labels are correctly applied helps prevent errors and streamlines the fulfillment process. By adhering to these best practices, you can optimize your FBA operations and focus on growing your business.



Conclusion


Key Takeaways:

  • FNSKU Importance: Prevents confusion, avoids commingled inventory, and ensures accurate tracking.

  • Creation Process: Enable FBA, generate in Seller Central, export, and print.

  • Labeling Guidelines: Self-labeling, supplier labeling, or Amazon service; correct barcode formatting and printer requirements.


Understanding and using the Amazon FNSKU barcode is pivotal for efficient inventory management and accurate product tracking. By distinguishing your products, preventing mix-ups, and ensuring each sale is correctly attributed, the FNSKU barcode helps maintain the integrity of your Amazon business. For more personalized assistance in optimizing your Amazon-sponsored ads and managing your inventory, consider using SellerMate.AI.


Book a demo today to see how our AI-powered tools can streamline your operations and boost your sales.



FAQs


Q. What is an Amazon FNSKU barcode? 


A. An Amazon FNSKU (Fulfillment Network Stock Keeping Unit) barcode is a unique identifier used within Amazon's fulfillment network to ensure accurate product tracking, inventory management, and seller attribution for products using Fulfillment by Amazon (FBA).


Q. Why is the FNSKU barcode important for Amazon sellers? 


A. The FNSKU barcode is crucial for distinguishing your products from similar items sold by other sellers, preventing inventory mix-ups, ensuring accurate sales attribution, and protecting against counterfeit products. It helps maintain a well-organized and efficient inventory system.


Q. How do I create an FNSKU barcode for my products? 


A. To create an FNSKU barcode, log into your Amazon Seller Central account, navigate to the Inventory tab, select 'Manage FBA Inventory', find the product, and choose 'Print Item Labels' from the dropdown menu. The system will generate the FNSKU barcode, which you can then export and print on labels.


Q. What are the options for labeling my products with FNSKU barcodes? 


A. You can label your products yourself (self-labeling), have your supplier print and apply the labels (supplier labeling), or use Amazon’s labeling service for a fee. Each option has its benefits, and the choice depends on your preferences and resources.


Q. How can SellerMate.AI help optimize my Amazon-sponsored ads and inventory management? 


A. SellerMate.AI uses AI-powered tools to optimize your Amazon-sponsored ads, helping you improve ad performance, increase sales, and manage inventory more efficiently. By booking a demo with SellerMate.AI, you can see firsthand how their solutions can streamline your operations and enhance your Amazon business.

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