Instrument Specialties CO.
Named as the FAA publishes it on its approvals.
Approved to make 7 classes of equipment. FAA spelling: Instrument Specialties Co..
Equipment approvals technical standard order authorisations
2002-07-12TSO-C2B · Airspeed Instruments · Airspeed Indicator · instruments and avionics
2002-07-11TSO-C49A · Electric Tachometer: Magnetic Drag (For Air Carrier Aircraft) · Tachometer Indicator, *, * · instruments and avionics
2002-07-11TSO-C43 · Temperature Indicators · OAT Indicator, Oil Temperature Indicator, INSCO · engine
TSO-C41 · Airborne Automatic Direction Finding (Adf) Equipment · *, *, * · other and general
TSO-C47 · Pressure Instruments - Fuel, Oil, And Hydraulic · *, *, Pressure Indicator · instruments and avionics
TSO-C55 · Fuel And Oil Quantity Instruments (Reciprocating Engine Aircraft) · Type I, Fuel Quantity Indicator, *, * · engine
TSO-C8B · Vertical Velocity Instruments (Rate-Of-Climb) · * · other and general
Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.