Im not sure but if these names will help but "Egress"hardware?
Company is JELD-WEN. I sent an email to customer service with images of the hardware. I wasn't able to include them with this submission
bathroom window crank assembly
Landlord from skaneateles NY 13152
Aug 14, 2018 3:06 pm
2 Replies
Tom from SWISCO
Aug 15, 2018 2:52 pm
We likely do have a window operator like the one you seem to be describing. Can we see a photo of the part you're trying to replace?