Andersen Frenchwood Gliding Door Hardware, Newbury Lock Assembly w/keys
Andersen Perma-Shield Gliding Door Key lock 1999 - Present.  
Replaces products manufactured 1987 to present.

Key way: Schlage 6 Pin SC4, 2 keys.
Handed: YES, Left-Handed - handing is determined by which door slides as viewed from outside.
Lock assembly is left hand as viewed from exterior side of door.
Color: Antique Brass
Service Years: products manufactured 1994 to present.

Works With:
200 Series Narroline Gliding
200 Series Perma-Shield Gliding
400 Series Frenchwood Gliding

Related Andersen Window Parts:
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2573072 - Andersen Window Newbury lock assembly with keys for Left Hand - Polished Chrome 
2573073 - Andersen Window Newbury lock assembly with keys for Left Hand - Satin Nickel
2573074 - Andersen Window Newbury lock assembly with keys for Left Hand - Oil Rubbed Bronze
2573075 - Andersen Window Newbury lock assembly with keys for Left Hand - Brushed Chrome
2573080 - Andersen Window Newbury lock assembly with keys for Right Hand - Bright Brass
2573081 - Andersen Window Newbury lock assembly with keys for Right Hand - Antique Brass
2573082 - Andersen Window Newbury lock assembly with keys for Right Hand - Polished Chrome
2573083​​​​​​​ - Andersen Window Newbury lock assembly with keys for Right Hand - Satin Nickel
2573084 - Andersen Window Newbury lock assembly with keys for Right Hand - Oil Rubbed Bronze
2573085 - Andersen Window Newbury lock assembly with keys for Right Hand - Brushed Chrome

Article:
How to Change the Handing on an Andersen Exterior Keyed Lock
Article:
How to Replace a Sheared Tailpiece Receiver in a Lock on an Andersen Sliding Patio Door