1240-12-150-2719

1240-12-173-1602 1240121731602 121731602 is a mirror specifically designed for use in an optical instrument. its surface may be coated to reduce reflection. excludes prism, optical instrument.

4931-12-173-1601 4931121731601 121731601 JUSTIERVORRICHTUNG

5365-12-173-1603 5365121731603 121731603 is a flat metal or plastic item of various peripheral shapes having a solid (not laminated) cross-section. it is designed to maintain a predetermined distance between two surfaces. for round items without a hole having a solid rectangular cross-section use disk, solid, plain. for round or hexagonal items with only one hole centrally located and with the length (thickness) exceeding 25 percent of the outside diameter or distance across peripheral flats, see spacer, sleeve. the thickness between the two parallel bearing surfaces must be 0.006 inch, (0.152 mm) or more for items less than 1/4 inch (6.35 mm) across the peripheral diameter, or smallest overall outside dimension, or must be 0.016 inch (0.406 mm) or more for items 1/4 inch (6.35 mm) or greater across the peripheral diameter or smallest overall outside dimension. for items with a thickness less than those indicated above, see shim. for items with one hole centrally located conforming to the above dimensional criteria use washer, flat or spacer, ring as applicable. when thickness and/or outside diameter or smallest overall outside dimension is designated as a tolerance/dimension the maximum dimension will be used to determine compliance. excludes gasket&#59; insulator (as modified) and mounting pad, electrical-electronic component.

6650-12-173-5141 6650121735141 121735141 is a telescope whose line of vision is 180 degrees from the eye.

4931-12-173-1605 4931121731605 121731605 BOHRVORRICHTUNG