5620-00-574-9813 (247A0626)
NSN 5620-00-574-9813 (NIIN 00-574-9813) is a sheet glass in Federal Supply Class 5620, Tile, Brick, And Block — clear, fire finished glass (gloss smooth) as drawn, having a slight wave across the sheet. Manufacturer part number 247A0626.
NIIN assigned January 1963; DEMIL A (none required).