Window operator replacement

Question

Window crank operator arm is 12" long from the bend to the end.  Markings are Truth and 40051A, both on the arm.

Bob · Accepted Answer

Thanks for posting. This might be the 39-013 Operator. As measured below, the arm is 13-1/2". Take a look and see what you think. For a handle, see the 39-114L sold separately.

Dimensions for 39-013