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National Stock Number:
6675-00-568-0448
Federal Supply Class:
6675
National Item Identification Number:
005680448
Description:
DRAFTING MACHINE
Detail:
AN INSTRUMENT PRIMARILY USED IN DRAFTING, CONSISTING OF TWO JOINED ARMS, ONE END BEING SECURED TO A STATIONARY SURFACE AND THE OTHER END EQUIPPED WITH AN ADJUSTABLE PROTRACTOR AND REMOVABLE RULED SCALE(S); OR TWO RIGID BEAMS, ONE BEAM ANCHORED ACROSS FULL LENGTH OF TOP OF DRAWING BOARD, THE OTHER BEAM PERPENDICULAR TO TOP BEAM EQUIPPED WITH ADJUSTABLE PROTRACTOR AND REMOVABLE RULED SCALE(S). IT IS USED AS A GUIDE FOR DRAWING PARALLEL LINES AT ANY ANGLE ON A CHART OR DRAWING, OR TRANSMITTING REFERENCE POINTS.
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Manufacturer Information:
| MILD3898 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| DRAWING MAXIMUM SIZE FOR WHICH DESIGNED | +42.000 TO 84.000 INCHES | | ARM LENGTH | 30.000 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 CLASS AND A STYLE AND II TYPE | | SPECIAL FEATURES | 15 DEGREE INTERVAL OF AUTOMATIC INDEXING | | PROTRACTOR MINIMUM INCREMENT IN DEG | 1.0 | | PROTRACTOR CALIBRATION | QUADRANTS | | UNIT TYPE | MID-ANCHORED | | VERNIER MINIMUM READING | 5.000 MINUTES |
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