Rare military specialized control electronic module.

Military rare On-board specialized computing control module.

Rare Military Microwave Amplifier/RF Link Module.

Rare military amplifier and control module.

Rare military electromechanical gyroscope/gyroblock.

Rare military Navigation onboard electronic module.

Aviation module gyroscope processing unit part of the inertial navigation system

Rare Aviation synchronous transformer,rotary position sensor,selsyn transformer.