Summary Information (click on this NSN number for detailed information: 5315-00-003-3913)
Hollow Pin, also referenced with federal logistics item name code 19979:
A cylindrically-shaped headless item, having a straight smooth body and a hole through the longitudinal center. its length must not exceed five times its diameter or 12 inches (304 mm), whichever is greater. excludes bearing, sleeve; and pin, piston.