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National Stock Number:
6650-00-773-0234
Federal Supply Class:
6650
National Item Identification Number:
007730234
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:
| 400-533915PC135T0137-140 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| APERTURE DIAMETER | 8.609 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.550 INCHES NOMINAL | | OUTSIDE DIAMETER | 11.250 INCHES NOMINAL | | OVERALL LENGTH | 0.938 INCHES NOMINAL | | MATERIAL | ALUMINUM | | MOUNTING CONFIGURATION | ONE 0.250-20NC-2 THD CLAMP | | PRESS FIT INSIDE DIAMETER | +9.705 TO 9.708 INCHES |
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