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 5905-01-418-1740
NSN 2925-00-698-4882
NSN 6110-01-350-9354
NSN 6150-00-443-8034
NSN 5990-00-185-9586
NSN 5999-00-246-6304
NSN 6320-00-483-0451
NSN 5905-00-732-9079
NSN 6645-01-440-3518
NSN 5950-01-254-4485
NSN 6650-01-320-7610
NSN 5930-00-723-6660