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National Stock Number:
5210-00-779-5273
Federal Supply Class:
5210
National Item Identification Number:
007795273
Description:
PROTRACTOR,MECHANICS,BEVEL
Detail:
A MEASURING INSTRUMENT COMMONLY USED IN THE MACHINIST TRADE FOR SETTING OR CHECKING BEVELS, TRANSFERRING ANGLES, CHECKING CUTTER CLEARANCE, LAYING OUT ANGLES AND SCRIBING LINES. CONSISTS OF A ROTATABLE DISK, GRADUATED IN DEGREES, MOUNTED ON A METAL FRAME BASE, AND AN ADJUSTABLE STEEL BLADE OR SCALE WHICH IS LOCKED IN POSITION BY A THUMB NUT, OR CLAMPED BY AN ECCENTRIC STUD. MAY ALSO BE EQUIPPED WITH ONE OR TWO SMALL AUXILIARY VERNIER SCALES WHICH ENABLE A MORE ACCURATE READING. EXCLUDES PROTRACTOR, ONE ARM; PROTRACTOR, TWO ARM; PROTRACTOR, THREE ARM.
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Manufacturer Information:
| 491-12-4R | 57163 | L.S. STARRETT COMPANY (THE) |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | 12 IN. SIZE; REVERSIBLE PROTRACTOR HEAD; CAST BLACK WRINKLE FINISH; REGULAR BLADE; GRADUATIONS IN 8THS,16THS,QUICK READING 32NDS,64THS |
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