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National Stock Number:
1240-01-262-6458
Federal Supply Class:
1240
National Item Identification Number:
012626458
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.
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Manufacturer Information:
| 11733434 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 11733434 | 19200 | US ARMY ARDEC RDECOM | | A11677 | 05584 | AUTODYNE MANUFACTURING CO INC | | 11733434 | 60529 | STERLING MFG AND SUPPLY INC | | 11733434 | 84027 | AIW-ALTON INC |
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Techincal Specification:
| APERTURE DIAMETER | 2.328 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.150 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 6061 | | OUTSIDE DIAMETER | 2.750 INCHES NOMINAL |
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