QUESTION

What is the part number for the replacement O-rings for the LVDT core retainer assembly in a 311.11 55 kip actuator (Figure 1)?  

Figure 1 – LVDT core retainer assembly

ANSWER 

There are two O-rings which are part of the LVDT core retainer assembly.  The part number is:

You can purchase the entire assembly which is part number (Figure 1):

The two O-rings are included in the assembly and are item 0006 (Figure 2).

Figure 1 – LVDT core retainer assembly

Figure 2 – Bill of Materials For: 003-953-202 - RETAINER ASSY-LVDT CORE