National Item Identification Number
00-816-0509
008160509
6650-00-816-0509
6650008160509
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)
1575550
Required Categories
MATERIAL
REFRACTION INDEX
POLISHED SURFACE
REFLECTION REDUCING SURFACE
POLIS
Required Description
GLASS, OPTICAL, JAN-G-174, GRADE C
1.5170 NOMINAL
BOTH
BOTH
PROVIDED
65.070