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National Stock Number:
1240-00-101-0594
Federal Supply Class:
1240
National Item Identification Number:
001010594
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:
| 701C913P1 | 1SPN9 | MULTI MANUFACTURING | | 701C913P1 | 89954 | BAE SYSTEMS CONTROLS INC. |
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Techincal Specification:
| APERTURE DIAMETER | 4.512 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.058 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | MOUNTING CONFIGURATION | EIGHT 0.194 IN. DIA MTG HOLES | | OUTSIDE DIAMETER | 5.310 INCHES NOMINAL | | OVERALL LENGTH | 0.190 INCHES NOMINAL |
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