Air Inlet Swivel Nut, American Pneumatic Tool part number 1280583528, listed as 03487 before the renumbering, listed at Crowder Supply as APT3487. It joins the hose to the machine. Connection hardware gets dragged, dropped, and cross-threaded, so it is a common replacement.
The published breakdown lists it on the 155 Rock Drill and 137 Rock Drill, and on 1 other machine. It comes off the APT 137 Pneumatic Rock Drill. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
Everything else on that machine is one page away, and the parts diagram hub indexes every breakdown we publish. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 1280583528
- Previous part number: 03487
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT3487
- Listed on breakdowns for: 155 Rock Drill, 137 Rock Drill, 138 Rock Drill
