Exhibit D 881P Pins.docx

This is an exhibit containing technical specifications for steel pins used in overhead powerline applications. The specifications detail two pin models: the 881P Forged LV pin with dimensions of 5 inches (A) by 5-3/4 inches (B), and the T2060610P pin with dimensions of 6 inches (A) by 8 inches (B). All pins must be constructed from steel and hot dip galvanized per ASTM A153 standard, except for a conductive nylon thread component. The fastening hardware includes 5/8-11 UNC thread type specifications for both the washer (2 by 2 by 1/8 inches) and nut components, with a 1-inch diameter conductive nylon thread requirement. These specifications are part of Request for Quotation 6-B185-Q-00464-00 issued by the Department of Energy Office of Science for overhead powerline parts including crossarms, pins, and braces, with proposals due by 5:00 PM CST on October 05, 2026. Vendors must submit responses on the ANL-70 Request for Quotation form, the ANL-70A Reps and Certs form, and identify the country of manufacturing origin.