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 6110-01-219-5233
NSN 6105-00-828-2077
NSN 5975-01-089-8641
NSN 6685-01-464-1304
NSN 5905-01-426-8823
NSN 5925-00-445-6978
NSN 6645-01-116-3423
NSN 6105-00-959-5468
NSN 5975-00-653-9167
NSN 2925-00-391-0331
NSN 5990-00-114-1570
NSN 2925-01-327-3069