Flange washers for 3-1/4" bolts t:1.039 (in)

Belleville washer for flanges with 3-1/4" bolt size, with an OD of 5.397 in, an ID of 3.293 in, and a thickness t of 1.039 in. Made from 17-7PH steel, H-13 steel, or Inconel, among others.