45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 6320-01-157-9076
NSN 5915-01-535-6666
NSN 6135-01-364-0667
NSN 6650-01-059-3396
NSN 5910-00-147-4754
NSN 6105-00-620-7220
NSN 6620-01-591-1331
NSN 7035-01-552-2491
NSN 6685-00-082-3153
NSN 6220-01-065-1387
NSN 5960-01-498-9427
NSN 5965-01-347-1670