This is American Pneumatic Tool part number 1280583770, listed as 02390 before the renumbering washer – steel, stocked at Crowder Supply as APT2390. It sits under the fastener to preserve the mating face and hold tension in a joint that vibrates constantly.
It appears on the 137 Rock Drill breakdown. It comes off the APT 137 Pneumatic Rock Drill. Pull up the diagram and confirm the reference number for your serial before ordering.
Need the parts around it? They are on the same breakdown, and the parts diagram library covers every machine we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280583770
- Previous part number: 02390
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2390
- Listed on breakdowns for: 137 Rock Drill
