The FNSKU is a full form for Fulfillment Network SKU or Fulfillment Network Stock Keeping Unit. The FNSKU is the manner that Amazon describes a product distinctive to the vendor which has shipped it.
Each item that’s processed via an Amazon fulfillment center is awarded this special identifier. The FNSKU is published on product-level tags. As soon as the ASIN along with the FNSKU game can be a sign to Amazon that things are Stickerless.