Size: 1-7/8, Len: 2.

Fastenal Part Number: 08217136144

NSN	5130-01-400-0157
Common Name	Size: 1-7/8, Len: 2.
Description	Size: 1-7/8, Len: 2.625, Drive End Dia: 2.125, Socket End Dia: 2.625, Drive Depth: 1.063