5120-00-398-3425 PULLER,MECHANICAL Index 4920-00-398-3450 ALIGNER,AXIS,BEARIN

National Stock Number:
5210-00-398-3447

Federal Supply Class:
5210

National Item Identification Number:
003983447

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.


Manufacturer Information:
K3280218355THE BOEING COMPANY
K3280288277THE BOEING COMPANY


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