6675-00-599-7019 (6024CFS)
NSN 6675-00-599-7019 (NIIN 00-599-7019) is a transit in Federal Supply Class 6675, Drafting, Surveying, And Mapping Instruments — an instrument having two coaxial centers, one inside the other. Manufacturer part number 6024CFS (Dietzgen Corp, CAGE 17866); also referenced as GGT621 (Federal Specifications Promulgated).
Key specs: 20 nominal diameter magnifying power; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $610.00 gov standard price; export Schedule B 9015.90.0100; ships at 31 lb / 1.9734 cu ft.