Hex Lock Nut, For Vacuum Type Shop Vacuum, Fits Vacuum Brand Tornado, Fits Vacuum Models 68775, 97571, 98190, 98220, 98221, 98225, 98445, 98492, 98498, 98498Z, 98498Z2, 98499, 98772, 98800, 98801, 98900, 98954, 99105A, 99105B, 99125A, 99125B, 99130, 99307, 99407