What are Pseudos within the BOM context?

A bill of material created for use in production planning that permits various components to be grouped together to simplify administration. This is especially useful if a company's finished productsrepresent many possible permutations that can be created from the various parts kept in stock. A placeholder part number may be created to represent a cluster of components that is common to all the finished products. For example, if all the permutations of a given product use the same base, screws, brackets, and wires, these would all be represented by a single part number on the bill of material. Also called phantom bill of material or planning bill of material.

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This is an accepted "trick" to SIMPLIFY BOM handling and make it more FLEXIBLE to accommodate product variations and special configuration/customization of the products.

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Pseudos are artificial groupings of components useful for planning. Unlike phantoms, however, the components of a pseudo cannot be manufactured together into a stock-able parent configuration. For this reason, pseudos can never be inventoried.

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