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National Stock Number:
6650-01-437-7250
Federal Supply Class:
6650
National Item Identification Number:
014377250
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:
| 2255AS134-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 3355AS134-1 | 1KY21 | OLYMPUS AMERICA INC | | 3355AS134-1 | 32212 | OLYMPUS AMERICA INC |
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Techincal Specification:
| APERTURE DIAMETER | 23.0 MILLIMETERS NOMINAL | | INTERNAL FLANGE THICKNESS | 0.5 MILLIMETERS NOMINAL | | MATERIAL | ALUMINUM ALLOY | | OUTSIDE DIAMETER | 38.0 MILLIMETERS NOMINAL | | OVERALL LENGTH | 13.0 MILLIMETERS NOMINAL | | SPECIAL FEATURES | PRISM CONTROL RING. |
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