What is the part number of the tweezers contact tip used in the 16334A?
The Keysight part number of the tweezers contact tip is 16334-09002. The 16334A tweezers test fixture requires two of the 16334-09002 parts.
The details are described in the 16334A Operation and Service Manual.
Parts availability, pricing and additional information can be located at Keysight Find-A-Part.