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National Stock Number: 1220-00-789-2986
Federal Supply Class: 1220
National Item Identification Number: 007892986
Description: SCALE,GRAPHICAL FIRING
Detail: A DEVICE DESIGNED IN THE FORM OF A SLIDE RULE, HAVING ONE OR MORE SCALES OF VARYING RANGES, ON EITHER SURFACE, AND A PLASTIC CURSOR WITH A MATTE TO RECEIVE PENCIL MARKINGS OF RANGE CORRECTION. IT IS USED WITH VARIOUS TYPES OF GROUND AND SKY-SWEEPER WEAPONS TO DETERMINE QUADRANT ELEVATION, ANGLE OF SIGHT, OR DRIFT, AND TO CALCULATE THE TRAJECTORY OF A PROJECTILE IN RELATION TO A TARGET. IT MAY CONTAIN SCALES FOR YARDS TO METERS CONVERSION AND GAGE POINTS WHICH ARE USED IN CONJUNCTION WITH THE CURSOR AND RANGE SCALE TO CONVERT DATA GIVEN IN METERS TO YARDS. SCALES MAY BE IN MILS FOR DETERMINING HIGH ANGLE FIRE, TIME OF FLIGHT, DEFLECTION SHIFT, AND THE LIKE.
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Manufacturer Information:
8213841 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
GENERAL CHARACTERISTICS ITEM DESCRIPTION | SINGLE-FACE TYPE; HARDBOARD AND WOOD BODY; W/CURSOR,PLASTIC; SCALE DATA,SCALES GRADUATED IN METER,1.00 TO 10.00 METERS,1100 TO 3700 METERS,1500 TO 5800 METERS,2600 TO 7400 METERS,3300 TO 9200 METERS,5600 TO 10800 METERS,7400 TO 14500 METERS,RANGE OF SCALES; W/MATTE SURFACE FOR PENCIL CORRECTIONS; W/CASE |
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