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National Stock Number:
1240-00-382-1029
Federal Supply Class:
1240
National Item Identification Number:
003821029
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:
| 233062PC2 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 233062PC2 | 33322 | GETRONICS GOVERNMENT SOLUTIONS LLC |
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Techincal Specification:
| APERTURE DIAMETER | 1.820 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.030 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.350 INCHES NOMINAL | | OVERALL LENGTH | 0.220 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH DIAMETERS | +1.7899 TO 1.7990 INCHES | | THREAD LENGTH | 0.120 INCHES | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 1 13/16-48 |
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