National Item Identification Number
00-567-0715
005670715
6650-00-567-0715
6650005670715
National Stock Number
Item Name
WINDOW,OPTICAL INSTRUMENT
Federal Supply Class
6650
Description
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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
B00621
2837241
Required Categories
MATERIAL
REFLECTION REDUCING SURFACE
POLISHED PERIPHERY
DIAMETER
THICKNESS;
Required Description
QUARTZ
ONE
NOT PROVIDED
1.494 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
0.245