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National Stock Number:
1240-00-115-4471
Federal Supply Class:
1240
National Item Identification Number:
001154471
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:
| 1240001154471 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 8289272 | 04YE2 | VALCORE MANUFACTURING LLC | | 8289272 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 8289272 | 19200 | US ARMY ARDEC RDECOM | | 8289272 | 20723 | VALCORE MANUFACTURING LLC | | 8289272 | 60529 | STERLING MFG AND SUPPLY INC |
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Techincal Specification:
| APERTURE DIAMETER | 1.718 INCHES MINIMUM AND 1.723 INCHES MAXIMUM | | GROOVE DIAMETER | 2.078 INCHES NOMINAL | | GROOVE LOCATION | ADJACENT TO INTERNAL FLANGE | | INNER GROOVE WIDTH | 0.176 INCHES MINIMUM AND 0.186 INCHES MAXIMUM | | INTERNAL FLANGE THICKNESS | 0.092 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.359 INCHES MINIMUM AND 2.391 INCHES MAXIMUM | | OVERALL LENGTH | 1.082 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700/3, ALLOY 2024, T3 FED SPEC 1ST MATERIAL RESPONSE AND WW-T-700/6, ALLOY 6061, T6 FED SPEC 2ND MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 6061 | | MOUNTING CONFIGURATION | LOCKSCREW COLLAR 1 | | SCREW THREAD SERIES DESIGNATOR | UNS | | SURFACE TREATMENT | ENAMEL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH DIAMETERS | +2.0219 TO 2.0273 INCHES | | THREAD LENGTH | 0.494 INCHES | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 2.063-16 |
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