National Item Identification Number
01-533-6220
015336220
6650-01-533-6220
6650015336220
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)
81395
81395
81395
Reference Numbers (Part Numbers)
21102362
21102362-101
8401774-1
Required Categories
Required Description