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

Fastenal Part Number: 08217136174

NSN	5130-01-400-0188
Common Name	Size: 1-3/8, Len: 3.
Description	Size: 1-3/8, Len: 3.500, Drive End Dia: 2.125, Socket End Dia: 1.875, Drive Depth: .875