National Item Identification Number
00-028-2218
000282218
6650-00-028-2218
6650000282218
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)
89944
Reference Numbers (Part Numbers)
1045-124B
Required Categories
MATERIAL
REFRACTION INDEX
POLISHED SURFACE
REFLECTION REDUCING SURFACE
POLIS
Required Description
GLASS, OPTICAL, JAN-G-174, GRADE C
1.5230 NOMINAL
BOTH
BOTH
NOT PROVIDED
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