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National Stock Number:
5855-01-165-2177
Federal Supply Class:
5855
National Item Identification Number:
011652177
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:
| SM-D-850408 | 0B107 | L3 TECHNOLOGIES, INC. | | SM-D-850408 | 27777 | L3 TECHNOLOGIES, INC. | | SM-D-850408 | 5V179 | MD3 INDUSTRIES, LIMITED | | SM-D-850408 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| APERTURE DIAMETER | 1.840 INCHES NOMINAL | | FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION | | INTERNAL FLANGE THICKNESS | 0.125 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.060 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 6061 | | THREAD LOCATION | INTERNAL |
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