Cap Nut is the Atlas Copco service part carried under part number 9000033300. This blanks off a passage in the housing. Thread and seal condition are what matter, and it is normally renewed when the housing is opened.
The published breakdown lists it on the RH 658L/LS/LS-01 Rock Drill. That machine is the RH 658 L Surface Rock Drill if you are pricing a replacement rather than a repair.
Need the parts around it? They are on the same breakdown, and the parts diagram library covers every machine we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 9000033300
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9000033300
- Listed on breakdowns for: RH 658L/LS/LS-01 Rock Drill

