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National Stock Number: 5855-01-503-6171
Federal Supply Class: 5855
National Item Identification Number: 015036171
Description: FOCUSING RING,OPTICAL INSTRUMENT
Detail: A CYLINDRICAL ITEM SPECIALLY DESIGNED TO MANUALLY ADJUST THE FOCUS ON AN OPTICAL INSTRUMENT. IT MAY HAVE AN INTERNAL THREAD MOUNTING METHOD OR MACHINED FOR A PRESS-FIT. IT USUALLY HAS A KNURLED PERIPHERY.
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Manufacturer Information:
143C0003 | 27777 | L3 TECHNOLOGIES, INC. | 143C0003 | 51298 | OPTEX SYSTEMS, INC | 143C003 | 27777 | L3 TECHNOLOGIES, INC. |
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Techincal Specification:
DRIVE TYPE | KNURL | OUTSIDE DIAMETER | 3.270 INCHES NOMINAL | PART NAME ASSIGNED BY CONTROLLING AGENCY | RING, OBJECTIVE FOCUS | SCREW THREAD SERIES DESIGNATOR | UNS | THREAD CLASS | 2B | THREAD LOCATION | INTERNAL | THREAD PITCH DIAMETERS | +3.1389 TO 3.1459 INCHES | THREAD SIZE | 3.1750-18 |
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