Part Number: 1045-1FB2 (No description) Part Number: 1045-1FB3 (No description) Part Number: 10452 (Multimeter) Part Number: 10-45-20 (Calrad) Part Number: 10452-00 (Housing) Part Number: 10-452-002 (Ne) Part Number: 10452002048-00001 (Crystal oscillators / kristalosc) Part Number: 104520-11 (Second observer seat assy) Part Number: 104520-13 (Second observer seat assy) Part Number: 104520-14 (Observer seat) Part Number: 104520-17 (Second observer seat assy) Part Number: 104520-19 (2nd observ. seat) Part Number: 104520-21 (Second observer seat assy) Part Number: 104520-22 (Second observer seat assy)