National Item Identification Number
01-338-9174
013389174
6650-01-338-9174
6650013389174
National Stock Number
Item Name
FILTER,LIGHT,INTERFERENCE
Federal Supply Class
6650
Description
A light transmitting item consisting of a transparent, flat glass body having two plane-parallel surfaces, either with only nonabsorbing dielectric coatings or absorbing and nonabsorbing coatings of a thickness nearly equivalent to the wavelength of the transmitted light. Interference begins at the thin bordering surfaces of the coatings, the penetrating light waves being superimposed on the reflected light waves. The item can be installed in various optical insturments, to serve as an eye protecting device.
Commercial and Government Entity Code (Supplier Data)
92755
NORTHROP GRUMMAN SYSTEMS CORPORATION
DIV ES DEFENSIVE SYSTEMS DIVISION
1745A WEST NURSERY ROAD
LINTHICUM HEIGHTS
MD
21090
410-552-2455
Reference Numbers (Part Numbers)
700750-1
Required Categories
MATERIAL
OVERALL LENGTH
OVERALL HEIGHT
Required Description
GLASS
9.500 INCHES NOMINAL
0.180 INCHES NOMINAL