Flange washers for 3-1/2" bolts t:1.196 (in)

Belleville washer for flanges with 3-1/2" bolt size, with an OD of 6.13 in, an ID of 3.525 in, and a thickness t of 1.196 in. Made from 17-7PH steel, H-13 steel, or Inconel, among others.