Rear Valve Block, American Pneumatic Tool part number 1280583030, listed as 18708 before the renumbering, listed at Crowder Supply as APT18708. Cycle timing runs through this component. Because it shuttles on every blow, it accumulates cycles faster than almost anything else in the scaler.
The published breakdown lists it on the 307 & 317 Needle Scaler. The complete machine is the APT 307 Pneumatic Needle Scaler. Compare it to the reference callout on the diagram to be sure it is the position you need.
Need the parts around it? They are on the same breakdown, and the parts diagram hub covers every machine we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280583030
- Previous part number: 18708
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18708
- Listed on breakdowns for: 307 & 317 Needle Scaler

