Part No.

"A" Diam

"B" Hgt

Hub

Mountings

3025

1-1/8"

3/4"

1/2"

 8-32, 10-24, 10-32, 1/4-20 F.I.; 1/4-20 Thru F.I.; 8-32 x 1/2", 10-24 x 7/8", 10-32 x 7/16", 1", 1/4-20 x 5/16", 1/2", 9/16", 3/4", 3/8" x 1-