This is the Tamco/Toku lock nut part number SF-G20, Crowder SKU TK-SFG20. It secures its joint against constant vibration, which is why it is treated as a replaceable item rather than a permanent one.
The published breakdown lists it on the SF 00BA Rammer. Pull up the diagram and confirm the reference number for your serial before ordering.
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: SF-G20
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-SFG20
- Listed on breakdowns for: SF 00BA Rammer

