Rounded corners with a 0.500 in. Radius. Beveled edges on back surface 0.030 in. By 45 deg.
A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.
Classification: Military equipments not identified by kind
NSN 5835-00-427-2772
NSN 5935-00-259-9865
NSN 6610-00-088-9527
NSN 5855-01-476-4219
NSN 6240-00-603-6662
NSN 6220-01-170-6913
NSN 6685-01-315-1860
NSN 5950-01-124-2481
NSN 5915-01-073-9061
NSN 6145-01-412-2742
NSN 6220-01-350-2055
NSN 6220-00-165-1509