Protractor assembly
A flat, steel plate of rectangular, square or semicircular shape, graduated in degrees. A pivoted arm is attached to the plate by means of a stationary bolt and thumb nut which locks the arm in any desired position. Used primarily in the metal working trades for laying out and transferring angles, scribing lines, and checking clearances on end mills and the like. Excludes protractor, one arm; protractor, two arm; protractor, three arm.
Classification: Dis calculators, slide rulers and other mathematical calculating instruments
NSN 7035-01-296-4737
NSN 5835-01-580-0446
NSN 6150-00-080-2347
NSN 7035-01-092-8962
NSN 6320-01-384-3850
NSN 5895-01-618-1683
NSN 4140-01-314-7125
NSN 5975-01-063-4101
NSN 6620-00-441-5252
NSN 5930-01-520-4456
NSN 5960-00-140-9583
NSN 6610-00-406-8544