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National Stock Number:
5210-00-266-6646
Federal Supply Class:
5210
National Item Identification Number:
002666646
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:
| GGG-P-676A TY 1 CL 2 STYL B | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | NONREVERSIBLE HD W/O LEVEL 3.75 IN. TO 4.5 IN. LG; DISK GRAD 0 TO 90 TO 0 TO 90 TO 0/360 DEG. W/VERNIER SCALE 5 MIN MINIMUM READING; BLDE HARDENED 12 IN. LG; 0.625 IN. W | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2 CLASS AND B STYLE |
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