Alternate P/N:
990-3-5
This is a Safe Flight Instrument Corporation Part Number 990-1 or a 990-1-3 Force Application Kit used to measure the lift transducer for the stall warning tab on the leading edge of aircraft.
The First Gage measures .3 to 3.0 Grams – Part Number: 34263-1
The Second Gage measures to 6.0 Grams – Part Number: 34263-2
The First Gage measures to 30 Grams – Part Number: 34263-4
Includes the original case and instructions as shown as well as the parts book break down.