National Item Identification Number
00-164-7480
001647480
6650-00-164-7480
6650001647480
National Stock Number
Item Name
IRIS DIAPHRAGM,OPTICAL INSTRUMENT
Federal Supply Class
6650
Description
An adjustable item of thin, overlapping opaque plates which are actuated by a ring or other device so as to change the diameter of a central opening, for controlling the intensity of transmitted illumination. It is usually employed to regulate the aperture of a lens in microscopes, and other optical instruments.
Commercial and Government Entity Code (Supplier Data)
11530
Reference Numbers (Part Numbers)
20-199863-04
Required Categories
Required Description