In your instruction manual, this part appears on the parts list as:

Item No	Models
39	BusyBee CX611 Craftex Small Mill Grizzly G0619 Grizzly Small Mill Various SX3 SIEG Small Mill Travers Tools OT2225SX3 OTMT Small Mill
95	Grizzly G0463 Grizzly Small Mill Harbor Freight 93885 Central Machinery Small Mill Various X3-US SIEG Small Mill Woodstock International M1110 Shop Fox Small Mill
A061	LittleMachineShop.com 6700 HiTorque Large Bench Mill LittleMachineShop.com 6750 HiTorque Large Bench Mill Various SX3.5-US SIEG Large Bench Mill LittleMachineShop.com 6770 HiTorque Large Bench Mill
A46	LittleMachineShop.com 5500 HiTorque Bench Mill Various SX2.7-US SIEG Bench Mill LittleMachineShop.com 5520 HiTorque Bench Mill LittleMachineShop.com 6500 HiTorque Bench Mill LittleMachineShop.com 5550 HiTorque Bench Mill Various SX2.7L-US SIEG Bench Mill LittleMachineShop.com 6550 HiTorque Bench Mill LittleMachineShop.com 6570 HiTorque Bench Mill

Click your model to see the complete parts list.