Classifications asides the Combined Nomenclature

In addition to the Combined Nomenclature and the harmonized system, there is further classification of products and services. For example: UNCCS, UNSPSC, NSN and FSC

UNSPSC

United Nations Standard Products and Services Code is the successor to the UNCCS Code (United Nations Common Coding System).
↗ UNSPSC

Global Shipment Identification Number (GSIN)

The Global Shipment Identification Number (GSIN) is a number assigned by a seller and shipper of goods to identify a shipment comprised of one or more logistic units that are intended to be delivered together.
↗ GSIN

NATO Stock Number (NSN)

The Nato Supply Number (13 digits) consists of material group, material class, country code, and NIIN (National Item Identification Number).
↗ NSN Extract

Federal Supply Class (FSC)

Federal Supply Class (FSC) codes are used to group products into logical families for management purposes. The four-digit fields, (defined within Cataloging Handbook H2-1) are used to group standardization documents and their products into logical families. Similarly, Standardization Areas refer to categories for engineering technologies, disciplines, and practices that do not fall under a FSC.
↗ FSC Code