Ordering by number: this is 430301B50, the Tamco/Toku air connection washer. This distributes bolt load across the joint face on the drill. Flattened or dished washers are replaced during reassembly.
It appears on the TS 55 Rick Drill (RD 60) breakdown. Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the full diagram library. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 430301B50
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-430301B50
- Listed on breakdowns for: TS 55 Rick Drill (RD 60)

