National Item Identification Number
01-093-9387
010939387
6650-01-093-9387
6650010939387
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)
7953143
Required Categories
MATERIAL
POLISHED SURFACE
SURFACE FINISH
POLISHED PERIPHERY
WIDTH
LENGTH
T
Required Description
QUARTZ CRYSTAL
BOTH
FINE GROUND
NOT PROVIDED
0.496 INCHES MINIMUM AND
0.498