National Item Identification Number
01-305-3371
013053371
6650-01-305-3371
6650013053371
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)
82577
Reference Numbers (Part Numbers)
3647811-1
Required Categories
MATERIAL
POLISHED PERIPHERY
DIAMETER
THICKNESS
Required Description
OPTICAL GRADE CVD POLYCRYSTALLINEZINC SULFIDE
PROVIDED
4.800 INCHES NOMINAL
0