General Information 1-3 Replaceable Parts
MS2721B MM PN: 10580-00177 Rev. D 1-5
2000-1686-R Soft Carrying Case
64126 Case Top (excludes model ID Label and keypad items)
64127 Case Bottom
65747 Model MS2721B ID Label
61379-1 Battery Door
633-44 Li-ion Battery Pack
633-75 High Capacity Li-ion Battery Pack
513-64 or
3-513-64
Type N RF connector
ND64383 Fan
3-633-26 3V RTC Battery
40-187-R AC to DC Power Converter
3-2000-1567 Internal Compact Flash Card (512 MB)
65027-3 Main Keypad PCB
61362 Main Keypad
61363-1 Main Keyboard Bezel
61361 Soft Key Keypad
61378-1 Soft Key Bezel
61333-3 Soft Key PCB
790-625 Speaker
3-410-101 Encoder (excluding knob)
61360-2 Knob (excluding encoder)
513-80 RF connector for Tracking Generator (Option 20)
Table 1-3. Replaceable Parts in the Model MS2721B Spectrum Master
Part Number Description