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National Stock Number:
6650-00-462-2552
Federal Supply Class:
6650
National Item Identification Number:
004622552
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:
| 10045021 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 10190697 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 10190697 | 2R743 | K Z MFG CO | | 10190697 | 55106 | VALLEY ENTERPRISE, INC. | | 10190697 | 6X521 | SHERRILLS MACHINE SHOP | | 1440004622552 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 14404622552 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 6650004622552 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 6650004622552 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| OUTSIDE DIAMETER | 3.055 INCHES NOMINAL | | OVERALL LENGTH | 0.320 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | MOUNTING CONFIGURATION | 4 NO. 56 UNC SECREWS | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 2B | | THREAD LOCATION | INTERNAL | | THREAD PITCH DIAMETERS | +2.6047 TO 2.6103 INCHES |
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