KNF · Service kit
333500
Spare part set N680_SP.9E (Diaphragm, PTFE washer (ST head only), Valve springs, Valve limiter, O-ring (D55 x 3.0), Slotted cheese head screw)
Manufacturer’s part numberWear part
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As printed in the source
N680_SP.9E | 333500
Part number, name and fitment as published by KNF (source), retrieved 2026-10-19. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.