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National Stock Number:
6650-01-148-1547
Federal Supply Class:
6650
National Item Identification Number:
011481547
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:
| 3491056 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| OUTSIDE DIAMETER | 3.415 INCHES MINIMUM AND 3.420 INCHES MAXIMUM | | MATERIAL | STEEL | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH DIAMETERS | +3.1797 TO 3.1855 INCHES | | THREAD LENGTH | 0.125 INCHES | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 3.200-32 |
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