United Instruments Vertical Speed Indicator 7040 CORE (1120-73) shipping_upsground_0 P/N 0813581-59

P/N 0813581-59

LOC LS 20 E

S/N TC-598

Bellanca 17-30A Super Viking Fresh Air Valve Lower Right Hand Firewall

Hawker Beech Switch Guard

United Instruments Vertical Speed Indicator 7040 CORE (1120-73) shipping_upsground_0 P/N 0813581-59United Instruments Vertical Speed Indicator. 7040. S N J3135. REPAIRABLE UNIT. Selling "AS IS" with no returns. Unit was sent to Commander Aero for testing and found to have a nearly wide open case leak at face glass. It is the buyer's responsibility to determine the parts suitability for installation and airworthiness upon inspection. We are a full service aircraft maintenance shop that sells new aircraft parts from surplus inventory auctions and