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National Stock Number:
6650-01-544-6474
Federal Supply Class:
6650
National Item Identification Number:
015446474
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:
| A3153847 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| OUTSIDE DIAMETER | 8.380 INCHES NOMINAL | | MATERIAL | STEEL COMP 304 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SUPPORT, CENTER, LOW SPEED MODULATOR | | SPECIAL FEATURES | DIMENSIONS AND TOLERANCING IAW ANSI Y14.5-1973. INNER DIAMETER IS 7.70 INCHES NOMINAL. MATERIAL THICKNESS IS 0.0273 INCHES MINIMUM AND 0.0313 INCHES MAXIMUM. THIS ITEM CONTAINS 10 HOLES THAT ARE 0.142 INCHES MINIMUM AND 0.144 INCHES MAXIMUM (ROUND HOLE SIZE) CENTERED AT 8.080 INCHES. |
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