2590-00-898-6785 VALVE ASSEMBLY,POPPET,HULL DRAIN Index 1240-00-898-6787 TELESCOPE,ELBOW

National Stock Number:
1220-00-898-6786

Federal Supply Class:
1220

National Item Identification Number:
008986786

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:
821384419200US ARMY ARDEC RDECOM


Techincal Specification:
GENERAL CHARACTERISTICS ITEM DESCRIPTIONDOUBLE-FACE TYPE; HARDBOARD AND WOOD BODY; W/CURSOR,PLASTIC; SCALE DATA,SCALES GRADUATED IN METER,1.00 TO 10.00 METERS,1500 TO 5300 METERS,2500 TO 7500 METERS,3400 TO 8700 METERS,4500 TO 10900 METERS,6500 TO 12700 METERS,8000 TO 16500 METERS,RANGE OF SCALES; W/MATTE SURFACE FOR PENCIL CORRECTIONS; W/CASE; NO SPECIAL FEATURES


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