National Item Identification Number
01-250-8211
012508211
6650-01-250-8211
6650012508211
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)
04939
Reference Numbers (Part Numbers)
717612905-009
Required Categories
MATERIAL
POLISHED PERIPHERY
WIDTH
LENGTH
THICKNESS
RADIOACTIVE CONTENT
SPE
Required Description
SELENIUM AND
ZINC
NOT PROVIDED
4.807 INCHES NOMINAL
6.474 INCHES NOMINAL
0.