Need a PDF of GB1235-76? Here’s what you should know.

Looking for the specification?

A quick heads-up for engineers and procurement specialists: is the old Chinese national standard for O-ring rubber seals (specifically dimensions and groove design).

Has anyone else run into issues trying to source parts to the old GB1235-76 standard?

#Engineering #Hydraulics #Seals #Standards #GBStandard #Manufacturing

⚠️ This standard was replaced years ago by GB/T 3452.1-2005 (and its later amendments).