Data Sheets and Reference information for most* equipment and parts specified.
Some datasheets are for parts or equipment that was an alternate, or has been superseded, and so may not correspond to any items in the bill of materials.
Also note that not all items in the bill of materials will have datasheets listed here. You should be able to find a datasheet linked from the supplier's website or by searching for the manufacturer's part numbers (also available from the supplier's website).