casement window crank

Question

i removed a part of a casement window from an old house I own built in the 1950s

It has no markings of any kind or numbers.

We would greatly appreciate it if you can identify the part.

Thank you in advance.

Dave Sr. · Accepted Answer

Hello,

Take a look at the 39-045 operator shown below to see how the specifications compare to yours. Also, see the 39-504 channel guide used with this assembly, which may be needed to install our replacement operator. Thanks for posting.

Dimensions for 39-045

Alternate image for 39-504

Alternate view of 39-504