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National Stock Number:
6650-00-157-9287
Federal Supply Class:
6650
National Item Identification Number:
001579287
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:
| 481109PC2 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 481109PC2 | 56232 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| APERTURE DIAMETER | 0.328 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.125 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.250 INCHES NOMINAL | | OVERALL LENGTH | 0.906 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | MOUNTING CONFIGURATION | THREE 0.141 IN. DIA HOLES EQUALLY SPACED ON 1.062 IN. DIA CIRCLE | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 9/16-32 |
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