1240-00-334-3374 WINDOW,OPTICAL INSTRUMENT Index 9340-00-334-3377 WINDOW,OBSERVATION

National Stock Number:
1240-00-334-3376

Federal Supply Class:
1240

National Item Identification Number:
003343376

Description:
RING,RETAINING,OPTICAL ELEMENT

Detail:
A CYLINDRICAL ITEM HAVING AN INTERNALLY FLANGED DIAMETER DESIGNED TO RETAIN A LENS OR WINDOW IN THE OBJECTIVE END, OR A DIOPTER SCALE AT THE VIEWING END OF AN OPTICAL INSTRUMENT. IT MAY HAVE ONE OR MORE OF THE FOLLOWING CHARACTERISTICS: INTERNAL THREAD OR MACHINED FOR A PRESS FIT, METHOD OF SECURING, AND/OR KNURLED PERIPHERY. FOR EXTERNALLY THREADED ITEMS, SEE RETAINER, OPTICAL ELEMENT. EXCLUDES CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; AND RING, RETAINING.


Manufacturer Information:
511716PC500641FORWAY INDUSTRIES INC
511716PC507887QUADRIEL INC
511716PC510001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
APERTURE DIAMETER1.500 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.050 INCHES NOMINAL
OUTSIDE DIAMETER2.080 INCHES NOMINAL
MATERIALCOPPER ALLOY
MOUNTING CONFIGURATION10 HOLES 0.120 IN. DIA EQUALLY SPACED ON 1.850 IN. CIRCLE


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