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National Stock Number:
6650-00-462-2511
Federal Supply Class:
6650
National Item Identification Number:
004622511
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:
| 10045013 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 10190736 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 10190736 | 8A932 | HUMBOLDT MACHINE SHOP, INC |
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Techincal Specification:
| OUTSIDE DIAMETER | 2.850 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.130 INCHES | | THREAD LOCATION | INTERNAL | | THREAD PITCH DIAMETERS | +2.6047 TO 2.6103 INCHES | | THREAD SIZE | 2 5/8 -.32 |
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