National Item Identification Number
00-764-8310
007648310
6650-00-764-8310
6650007648310
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)
19200
Reference Numbers (Part Numbers)
7648310
Required Categories
MATERIAL
SURFACE FINISH
POLISHED PERIPHERY
WIDTH
LENGTH
THICKNESS
BEVEL AN
Required Description
GLASS
GROUND
NOT PROVIDED
0.390 INCHES NOMINAL
0.990 INCHES NOMINAL
0.075 I