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 6650-01-583-0798
NSN 5895-01-442-5818
NSN 5950-01-379-7464
NSN 6645-00-092-5091
NSN 5945-01-115-2979
NSN 6130-01-387-4623
NSN 5855-00-165-3093
NSN 6130-01-596-1202
NSN 6650-01-418-5012
NSN 5996-01-139-2843
NSN 2925-00-555-0584
NSN 6130-01-281-9587