Part Number: 155-0175 (Tek) Part Number: 155-0175-05 (Tektronix) Part Number: 155-0176 (Component) Part Number: 1550177-1 (Bolt) Part Number: 15501773 (No description) Part Number: 15501774 (No description) Part Number: 155-0178 (Component) Part Number: 1550178-1 (Support) Part Number: 155-0179 (Tek) Part Number: 1-55017T (Literature pockets, ) Part Number: 155018 (Encoder assy) Part Number: 155-0180 (Component) Part Number: 155018-001 (Motor control) Part Number: 155-0181 (Component)