Product ID : 275256
275256 1 5/16 ROTATABLE MINI FLANGE"
More details on associated web page:
- Convectron Series 275 Vacuum Gauge The Granville Philips Convectron Gauge tube used on the 5971 and 5972 mass spectrometers is available from S.I.S. This is a direct replacement for the HP original and screws into the fitting shown above.