2530-00-678-3053 NUT,ADJUSTER,BRAKE Index 1220-00-678-3062 SCALE,GRAPHICAL FIRING

National Stock Number:
1220-00-678-3059

Federal Supply Class:
1220

National Item Identification Number:
006783059

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.


Manufacturer Information:
1053915419200US ARMY ARDEC RDECOM


Techincal Specification:
GENERAL CHARACTERISTICS ITEM DESCRIPTIONDOUBLE-FACE TYPE; WOODEN BODY; W/CURSOR,PLASTIC; SCALE DATA,SCALES GRADUATED IN MILS,SECONDS,AND YARDS,1 TO 7 MILS,5 TO 11 MILS,5 TO 80 MILS,9 TO 40 MILS,22 TO 200 MILS,130 TO 812.6 MILS,3.5 TO 24 SECONDS,4 TO 25 SECONDS,4.5 TO 25 SECONDS,17.5 TO 30 SECONDS,19 TO 60 SECONDS,19 TO 65 SECONDS,L2 TO 4 YDS,0 TO 3 YDS,2 TO 19 YDS,3 TO 17 YDS,2500 TO 12000 YDS,9000 TO 22000 YDS,RANGE OF SCALES; W/MATTE SURFACE FOR PENCIL CORRECTIONS; W/CASE


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