Size: 21, Len: 1.510

Fastenal Part Number: 08217112321

NSN	5120-01-430-7958
Common Name	Size: 21, Len: 1.510
Description	Size: 21, Len: 1.510, Drive End Dia: 1.122, Socket End Dia: 1.122 NSN: 5120-01-430-7958