National Item Identification Number
01-534-3587
015343587
6650-01-534-3587
6650015343587
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)
32865
Reference Numbers (Part Numbers)
29-50-169-002/02
Required Categories
III END ITEM IDENTIFICATION
Required Description
AN/PAS-13D(V)2,(V)3, SIGHT, THERMAL FOR MEDIUM AND HEAVY WEAPONS.