This is the only one we have that will replace the old, obsolete 13.5" Single Arm MILA Casement Operators. Only possible replacements for Old Mila Operators and may take some field fitment. Most commonly used on the windows out west - Available in a Left-Hand and Right Handed Casement Operator Model AS SHOWN BELOW with 13 1/2" ARM Length; Shipped complete with #BB-PP.454 crank handle and screws. NOTE: Only identifying stamp on old units say: MILA PAT PEND. 

Caradco Casement Window Operator Replacement Parts - OPERATOR, HANDLE AND COVER INCLUDED.

These Old Style, 30470, Old Stamping Numbers like 30842R, 30842L, Window Operators.

Caradco Old Style Casement Operators, Models for 1980's, 1990's and 2000's Replacement Crank Units, Model # CRRF-15 - Choose Left or Right Handing as Shown. 

Fixed Window Wood In / Wood Out, Replacement Sash Kits, Picture Window Sashes Less than Fourteen (14) Square Feet overall size - No Glass, No Cladding is included. Butt-Jointed, for fixed window replacement sashes.