National Item Identification Number
01-172-9476
011729476
6650-01-172-9476
6650011729476
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)
72314
Reference Numbers (Part Numbers)
1264-1653
Required Categories
MATERIAL
POLISHED SURFACE
SURFACE FINISH
POLISHED PERIPHERY
DIAMETER
THICKN
Required Description
SELECTIVE POLISH PLATE
BOTH
POLISHED
NOT PROVIDED
2.870 INCHES NOMINAL
0.12