2.620
Rectorseal 26551 Pipe Thread Sealant No. 5 Low Odor, Gray
A nice touch with this product is the double ended tip that gives you two choices.
Parker 2.50Dsr04.00 Air Cylinder, 2 1/2 In Bore, 4 In Stroke, Round Body Double
You will notice Parker pays attention to the little details that matter.