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National Stock Number:
1240-01-498-4334
Federal Supply Class:
1240
National Item Identification Number:
014984334
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:
| 5613066 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| DRIVE TYPE | KNURL | | INTERNAL FLANGE THICKNESS | 0.035 INCHES MINIMUM AND 0.043 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.296 INCHES MINIMUM AND 2.302 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | PART NAME ASSIGNED BY CONTROLLING AGENCY | MID-EYEGUARD HOUSING COVER | | SPECIAL FEATURES | INSIDE DIA OF RING IS 1.001 AND HAS 12 THRU MOUNTING HOLES .070 DIA. EACH. |
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