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National Stock Number:
1430-01-055-8285
Federal Supply Class:
1430
National Item Identification Number:
010558285
Description:
RING,RETAINING,OPTI
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:
| 10276586 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| APERTURE DIAMETER | 1.775 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.085 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.100 INCHES NOMINAL | | OVERALL LENGTH | 0.370 INCHES NOMINAL | | MATERIAL | PLASTIC |
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