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National Stock Number:
1240-00-570-9740
Federal Supply Class:
1240
National Item Identification Number:
005709740
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:
| 10545048 | 19200 | US ARMY ARDEC RDECOM | | 10545048 | 89954 | BAE SYSTEMS CONTROLS INC. |
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Techincal Specification:
| OUTSIDE DIAMETER | 1.785 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-14, TYPE MFE MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC PHENOLIC AND SILICA | | MOUNTING CONFIGURATION | NO. 1-72 UNF-1B 2; 0.115 DIA 2 |
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