NSN 6650-00-989-6871

Part Details | OPTICAL INSTRUMENT IRIS DIAPHRAGM

6650-00-989-6871 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: A15571005, A15571-005, 3674011005, 367401-1005, 6650-00-989-6871, 00-989-6871, 6650009896871, 009896871

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66NOV 04, 196600-989-687122592 ( IRIS DIAPHRAGM, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-989-6871
Part Number Cage Code Manufacturer
A15571-00512436BAE SYSTEMS INFORMATION ANDELECTRONIC SYSTEMS INTEGRATION INC.
367401-100500430EDO CORPBARNES ENGINEERING DIV
Technical Data | NSN 6650-00-989-6871
Characteristic Specifications
SPECIAL FEATURESREDUCES AMPLITUDE OF COLIMATOR SIGNAL; MANUAL OPERATION; 4.8/0.475 IN. EXIT HOLE
END ITEM IDENTIFICATIONINFRARED TARGET SOURCE SYSTEM,P/N A15571-001