Size: 1-5/8, Len: 3.

Fastenal Part Number: 08217136178

NSN	5130-01-400-0160
Common Name	Size: 1-5/8, Len: 3.
Description	Size: 1-5/8, Len: 3.563, Drive End Dia: 1.750, Socket End Dia: 2.250, Drive Depth: .813