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National Stock Number:
6650-01-192-5515
Federal Supply Class:
6650
National Item Identification Number:
011925515
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:
| SM-C-773400 | 21025 | GENERAL TOOL CO | | SM-C-773400 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| APERTURE DIAMETER | 1.420 INCHES NOMINAL | | INTERNAL FLANGE THICKNESS | 0.040 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.691 INCHES MAXIMUM | | OVERALL LENGTH | 0.798 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | SCREW THREAD SERIES DESIGNATOR | UNS | | SURFACE TREATMENT | COPPER AND OXIDE | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2B | | THREAD LENGTH | 0.200 INCHES | | THREAD LOCATION | INTERNAL | | THREAD PITCH DIAMETERS | +1.5740 TO 1.5780 INCHES | | THREAD SIZE | 1 19/32-32 |
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