This is Atlas Copco part number 3115299600 cap nut, stocked at Crowder Supply as AC-3115299600. It closes a port or passage in the pusher leg. Small, but a plug that will not seal turns into a leak that is hard to trace.
Crowder’s breakdowns list this part on the ALF 72D 72D-1 Pusher Leg and ALF 67/80 67/80D Pusher Leg. That machine is the Atlas Copco Pusher Leg Attachment For BBC Series Rock Drills if you are pricing a replacement rather than a repair. Check it against the reference number on the diagram first; serial breaks change what fits.
Everything else on that machine is one page away, and the parts diagram hub indexes every breakdown we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3115299600
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3115299600
- Listed on breakdowns for: ALF 72D 72D-1 Pusher Leg, ALF 67/80 67/80D Pusher Leg
