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National Stock Number:
1240-00-507-9018
Federal Supply Class:
1240
National Item Identification Number:
005079018
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:
| 5355005079018 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 5355005079018 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 7644379 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| APERTURE DIAMETER | 2.433 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.125 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.750 INCHES NOMINAL | | OVERALL LENGTH | 0.406 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700, TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY | | MOUNTING CONFIGURATION | NONE 0.086 /NO. 2/-64 UNF-3B SETSCREW | | SCREW THREAD SERIES DESIGNATOR | UNS | | SURFACE TREATMENT | ANODIZE | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2B | | THREAD LENGTH | 0.250 INCHES | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 2.625 IN.-48 |
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