National Item Identification Number
01-265-0655
012650655
6650-01-265-0655
6650012650655
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)
4610663
Required Categories
MATERIAL
POLISHED SURFACE
POLISHED PERIPHERY
WIDTH
LENGTH
THICKNESS
III EN
Required Description
GLASS, OPTICAL, MIL-G-174, GRADE B, TYPE 517-642
BOTH
NOT PROVIDED
ANY ACCEPT