In this subtitle, the term “commercial product” means any of the following:
(1) A product, other than real property, that—
(2) A product that—
(4)
Any combination of products meeting the requirements of paragraph (1), (2), or (3) that are of a type customarily combined and sold in combination to the general public.
(5)
A product, or combination of products, referred to in paragraphs (1) through (4), even though the product, or combination of products, is transferred between or among separate divisions, subsidiaries, or affiliates of a contractor.
(6) A nondevelopmental item if the procuring agency determines, in accordance with conditions in the Federal Acquisition Regulation, that—