National Item Identification Number
00-556-8054
005568054
6650-00-556-8054
6650005568054
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)
03956
NORTHROP GRUMMAN SYSTEMS CORPORATION
DBA SPERRY MARINE
1070 SEMINOLE TRL
CHARLOTTESVILLE
VA
22901
434-974-2366
34228
KOLLMORGEN CORPORATION
DBA KOLLMORGEN ELECTRO OPTICAL DIV
347 KING ST
NORTHAMPTON
MA
01060
413-586-2330
Reference Numbers (Part Numbers)
P1475-12
P1475-12
Required Categories
MATERIAL
REFRACTION INDEX
DISPERSION
POLISHED SURFACE
SURFACE FINISH
REFLEC
Required Description
GLASS
1.5234 NOMINAL
58.0 ANGSTROMS NOMINAL
BOTH
POLISHED
BOTH
NOT PROVIDE