Looking for a replacement corner for for the item pictured.
The corner is 1-1/2" x 1-1/2". The thickens is 7/64" at raised areas and 5/64" between and width is 5/16". The guide is a 5/16" projection x 3/16" wide x 5/32" thick. Die Cast material. Back side is smooth with 4 round reliefs approx. 5.32" dia. and1/16" deep.
Markings found: A-S, NYC, 2622
Era of windows is about 1972.
Any substitute is acceptable and will replace both the left and right if needed.