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		                             National Stock Number: 5825-01-620-3903
  Federal Supply Class: 5825
  National Item Identification Number: 016203903
  Description: NAVIGATION SET,SATELLITE SIGNALS
  Detail: A FIXED NUMBER OF COMPONENTS AND/OR ITEMS, NOT ALL HAVING THE SAME BASIC NAME, OF A GROUND OR AIRBORNE NAVIGATION SET THAT ACQUIRES AND TRACKS SIGNALS FROM A CONSTELLATION OF ORBITAL SATELLITES TO OBTAIN TIME AND THREE-DIMENSIONAL POSITION AND VELOCITY DIRECTLY OR IN CONJUNCTION WITH SUB SYSTEMS OF THE HOST VEHICLE. EXCLUDES STAND ALONE NAVIGATION SYSTEMS, SUCH AS INERTIAL NAVIGATION SET.
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  Manufacturer Information:
 | GPSMAP 521S | 0TRC3 | GARMIN INTERNATIONAL, INC. |   
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  Techincal Specification:
 | INSTALLATION DESIGN | PORTABLE |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | GPSMAP 521 |  | SPECIAL FEATURES | SIZE: 5.9" X 6.4" X 2.9", DISPLAY SIZE: 3"X4" 5" DIAGONAL |   
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