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39-257B RH Look-Rusco Window Crank

Trying to identify this Operator. No idea brand of Windows. Looking to buy several operators to replace broken ones.

Need replacements for old window cranks. House is old and nothing is standard. Can't identify manufacturer, although Swisco seems to be very close, if not it exactly. Crank base has the following part no engraved inside: PT NO 10-9231-LH-4.

We need the parts to fix this type of assembly. Let us know if you can help us find the right one. Thanks

I have LOOK window cranks. I need replacement crank and the screws to muon to the casing. thanks kenny

There are no markings at all on the crank assembly. It came off a Jalousie type window. Any help would be appreciated. If you have them, I would buy them from you. I need around 8 or 9. They are for my sons sun room windows off the back of his house.

5 1/4 long The holes are not that far as the one you have is like 7/8 Is very old I need one that I can use and I need like 26 of these please help thanks

need to replace mine. i have a "RUSCO", with paton number: 2732.727. . there is no other numbers on product. I have no idea how old my crank is. I have pictures of crank but I dont see a way to send it to you. Marla

Looking for a window crank

need 3 handles please

I need the left handed version of 39-257B. Is there a different operator I could make work in it's stead?

ok I feel a little foolish. I may not have ordered the correct part. the long length( bolt holes) is correct at 5 1/4", the two bolt holes at bottom are 1 1/8th a part, but the arm is 2 1/2 long center of pin to center of threaded hole. If you have the correct one it would be great. I did not know ... (cont.)

dimension of bolt pattern to window frame 5-1/4 inches on center. width between screws top and bottom 7/16 inches on center (4 in all 2 bottom 2 top). overall length of link arm 3-1/4 inches (hole to hole 2-9/16). diameter of hole at end of link arm 3/8 inches, link arm is offset. need new ope ... (cont.)