
$3.78
This Feather Key (Part #220004) is a small but essential hardware component for your Pfeiffer DUO 125 vacuum pump. It measures 5 mm x 5 mm x 10 mm. The key fits into slots on a shaft and a rotating part. Its job is to connect them together. It transmits torque, or turning power, from one part to another. Without it, the rotating parts would slip. This key is designed specifically for the Pfeiffer DUO 125 pump model .

Key, Feather, 5x5x10, Pfeiffer, DUO, Part# 220004

Key, Feather, 5x5x10, Pfeiffer, DUO, Part# 220004
This is a small, rectangular piece of steel. Its part number is 220004. It measures just 5 mm wide, 5 mm high, and 10 mm long. In mechanical engineering, this is called a “feather key” .
Think of it like a small block that fits into special grooves. One groove is on a rotating shaft. Another groove is on a wheel, gear, or other part that needs to spin with that shaft. You place the key in between, and it locks the two parts together .
his feather key is made specifically for one pump model:
Pfeiffer DUO 125
If you own this pump and are doing any repair work that involves the rotating assembly, you may need this key. It is also compatible with the DUO 11MC model .
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10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
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