Sash made prior to 1977 were a 3/4" smaller in width
Andersen 28210 Narroline Double Hung Lower Sash White Exterior with White Interior Works with Andersen Narroline Double Hung 1968 to 2012
Screen measures 36-27/32" wide by 36-25/32" high
Screen dimensions are 27 3/4" x 87 1/2"
Andersen TW2856C (Lower Sash) White Exterior and White Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24
Andersen PS80/FWG80 Operating Panel Jamb Weatherstrip (Inside) in Gray Color:Gray Sash made prior to 1977Andersen PS80 FWG80 Operating Panel Jamb Weatherstrip (Inside) in Gray Color This weatherstrip is for gliding patio doors manufactured from 1982 to Present. Works with these Perma Shield Gliding Patio Doors: PS6180 and PS8180. Works with these Frenchwood Gliding Patio Doors: FWG5080, FWG6080, FWG8080, FWG10080, FWG12080, FWG16080. Works with these Narroline Gliding Patio Doors: NLGD5080, NLGD6080, NLGD8080, NLGD10080, NLGD12080, NLGD16080. For size