This part is a kind of semiconductor called AS19G.

Function of this product has Aerospace Pressure Transducers.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

Model AS17A/ AS19G Aerospace Pressure Transducers Order Code AP161 (absolute); AP162 (gage) n n Non-Linearity 0.15% BFSL Lightweight Dimensions Pressure Port 7/16-20 per MS33656E-4 1.75 in. Wiring Code Connector/Unamplified A&B C&D E F (+) Excitation (-) Excitation (-) Output (+) Output PTIH-10-6P Connector ø1.13 in. (AS17A) ø1.01 in. (AS19G) Performance Pressure Ranges Model AS17A (Absolute)10 to 10,000 psia Model AS19G (Gage)25 to 10,000 psig Linearity+/- 0.15% Full Scale Hysteresis+/- 0.10% Full Scale Output3 mV/V Nominal ResolutionInfinite Temperature, Operating-65° to 300° F Temperature, Compensated-65° to 250° F Temperature, Effect Zero [ ... ]

AS19G PDF Datasheet Download