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		                             National Stock Number: 5855-01-477-9629
  Federal Supply Class: 5855
  National Item Identification Number: 014779629
  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:
 | A3279597 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |   
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  Techincal Specification:
 | DRIVE TYPE | DRILLED HOLE ON PERIPHERY |  | INTERNAL FLANGE THICKNESS | 0.136 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |  | MATERIAL | PLASTIC |  | OUTSIDE DIAMETER | 1.490 INCHES NOMINAL |   
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