Part Number: 12279025 (Fitting) Part Number: 12279026 (Printed wiring board) Part Number: 12279031 (Scale) Part Number: 12279035 (Plunger) Part Number: 12279036 (Screw) Part Number: 12279037 (Washer) Part Number: 12279039 (No description) Part Number: 12279040-1 (Taper pin,slotted) Part Number: 12279040-2 (Pin,taper,slotted) Part Number: 12279041 (Washer) Part Number: 12279043 (Button) Part Number: 12279044 (Shaft) Part Number: 12279045 (Coupling) Part Number: 12279046 (Knob)