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National Stock Number:
6650-01-074-5946
Federal Supply Class:
6650
National Item Identification Number:
010745946
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:
| 11776307 | 19200 | US ARMY ARDEC RDECOM | | 60087-106 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITED |
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Techincal Specification:
| APERTURE DIAMETER | 2.400 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.230 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.800 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-8184, FINISH A MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC ACRYLIC | | SURFACE TREATMENT | PAINT |
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