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National Stock Number:
5855-01-045-5497
Federal Supply Class:
5855
National Item Identification Number:
010455497
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:
| A11083 | 05584 | AUTODYNE MANUFACTURING CO INC | | SM-D-850133 | 0RMF7 | BRIGHT LIGHTS USA, INC | | SM-D-850133 | 27777 | L3 TECHNOLOGIES, INC. | | SM-D-850133 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION | | MATERIAL | ALUMINUM ALLOY 6061 | | MOUNTING CONFIGURATION | 0.125 IN. DIA HOLES 3 | | OUTSIDE DIAMETER | 5.640 INCHES NOMINAL | | OVERALL LENGTH | 0.750 INCHES NOMINAL | | SCREW THREAD SERIES DESIGNATOR | UNS | | SPECIAL FEATURES | CHAMFERED | | THREAD CLASS | 2A | | THREAD LENGTH | 0.305 INCHES | | THREAD LOCATION | EXTERNAL | | THREAD PITCH DIAMETERS | +5.4735 TO 5.4783 INCHES | | THREAD SIZE | 5 1/2-32 |
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