National Item Identification Number
00-530-0739
005300739
6650-00-530-0739
6650005300739
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)
SK99966PC5
Required Categories
MATERIAL
REFRACTION INDEX
POLISHED SURFACE
POLISHED PERIPHERY
DIAMETER
THIC
Required Description
GLASS, OPTICAL, JAN-G-174, TYPE 517-645, GRADE C
1.5171 NOMINAL
BOTH
NOT PROV