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National Stock Number:
5855-01-284-1609
Federal Supply Class:
5855
National Item Identification Number:
012841609
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:
| 2953217-1 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| APERTURE DIAMETER | 6.400 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.250 INCHES NOMINAL | | OUTSIDE DIAMETER | 8.860 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 6061 | | MOUNTING CONFIGURATION | SIX 0.112-40 UNC 22B HOLES ON AN 8.200 IN. DIA. CIRCLE | | SURFACE TREATMENT | CHROMATE AND PAINT |
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