This is American Pneumatic Tool part number 1280583470 the number that superseded 02145 lock spring, stocked at Crowder Supply as APT2145. It loads its mating part against the seat. When free length drops, the symptom is inconsistent operation the tool works, but not crisply.
The published breakdown lists it on the 131 Backfill Tamper. That machine is the APT 131 Pneumatic Backfill Tamper 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.
Need the parts around it? They are on the same breakdown, and the parts breakdown index covers every machine we publish. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 1280583470
- Previous part number: 02145
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2145
- Listed on breakdowns for: 131 Backfill Tamper
