Part Details | GRAPHICAL FIRING SCALE
1220-00-513-2054 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.
Alternate Parts: 7651451, 1220-00-513-2054, 00-513-2054, 1220005132054, 005132054
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-513-2054 | 21860 ( SCALE, GRAPHICAL FIRING ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1220-00-513-2054
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7651451 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1220-00-513-2054
| Characteristic | Specifications |
|---|---|
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | IRREGULAR SHAPE,SIDE WITH GRADUATED SCALE ISSTRAIGHT WITH BEVELED EDGE,38.190 IN. LG O/A,37.7952 IN. EQUAL 24SPACES,NUMBERED 0 THROUGH 23,1 DIVISION 1.5748 IN. LG EQUALS 40 SPACES,NUMBERED 1 THROUGH 10,NUMBERS ENGRAVED AND FILLED WITH WHITE FINISH |
| END ITEM IDENTIFICATION | PLOTTING BOARD |