Paramount window lock

Hello there. Without photos I can't be exactly sure of what you have. Paramount windows often use locks similar to our 90-310 and 90-063B, but you'd need to compare your old lock with the diagrams below to see if it matches either option. Let me know what you find.

Dimensions for 90-310

Alternate view of 90-310

Alternate image for 90-063B

Alternate image for 90-063B