Old Style Casement Window Operator | Lincoln 1980's 1990's

Old Style Casement Replacement Parts | Casement Window Dual Arm Operators for Old Model Lincoln casement units from the late 1970's, 1980's and into late 1990's.  Standard 4 7/16" "B" Arm. Possible Stamping numbers 20810, 2054, 4037, 4047, 402, 407, 304, 407, 30842, 20810, 20544, 40372, 40471, 40254, 40753, 30470, 30472, 40754, L30841, 31358A, 31358, 30637, 30842.  

Specify "handing" in the comments section at checkout. (also Shorter "B" Arm if needed)