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National Stock Number:
1240-01-071-4954
Federal Supply Class:
1240
National Item Identification Number:
010714954
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:
| 048093 | 34228 | L3 TECHNOLOGIES, INC. | | 12266893 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 957B048093 | 34228 | L3 TECHNOLOGIES, INC. |
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Techincal Specification:
| APERTURE DIAMETER | 1.466 INCHES MINIMUM AND 1.473 INCHES MAXIMUM | | INTERNAL FLANGE THICKNESS | 0.017 INCHES NOMINAL | | OVERALL LENGTH | 0.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/8, 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/6, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2011 OR ALUMINUM ALLOY 2024 | | OUTSIDE DIAMETER | 1.845 INCHES MINIMUM AND 1.905 INCHES MAXIMUM | | SCREW THREAD SERIES DESIGNATOR | UNS | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LOCATION | INTERNAL | | THREAD PITCH DIAMETERS | +1.4660 TO 1.4730 INCHES | | THREAD LENGTH | 0.470 INCHES | | THREAD SIZE | 1 1/2-32 |
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