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 6645-01-534-5545
NSN 5925-01-089-9627
NSN 6650-01-613-1341
NSN 5950-01-275-8258
NSN 5975-00-688-4625
NSN 5855-01-366-2429
NSN 5910-00-733-3015
NSN 7035-01-151-0265
NSN 6220-01-104-3006
NSN 4140-01-460-0440
NSN 5990-00-351-5479
NSN 5930-01-474-6291