NSN 6650-00-398-1821

Part Details | OPTICAL INSTRUMENT IRIS DIAPHRAGM

6650-00-398-1821 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.

Alternate Parts: 653L7, 6650-00-398-1821, 00-398-1821, 6650003981821, 003981821

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-398-182122592 ( IRIS DIAPHRAGM, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-398-1821
Part Number Cage Code Manufacturer
653L772314BAE SYSTEMS INFORMATION ANDELECTRONIC SYSTEMS INTEGRATION I
Technical Data | NSN 6650-00-398-1821
Characteristic Specifications
SPECIAL FEATURESFIVE-LEAF TYPE, WITH CONNECTING LINKAGE AND MOUNTINGS