Yes. RFQs do not require a part number. You can identify a subcategory and specify your desired attributes, brand or manufacturer to request a quote.
Our Seller Network is comprised of Suppliers of categories of products or Authorized Distributors for many well known manufacturer brands. You can specify exactly what you're looking for without a part number and submit your RFQ. Our Supplier Network can communicate with you to submit quotes for exactly what you're looking for.
However, part numbers are always the best reference for a supplier to respond quickly without much need for additional information and if the item exists in our online parts database, the attributes and product information will auto-populate to help you submit your quote request in a a faster and more complete process.