This part is a kind of semiconductor called AN503.

Function of this product has Screw - Machine.

Manufacturers : Aviaquip

Image and pinout :

Some of the text within the PDF file :

AN503 SCREW - MACHINE, DRILLED FILLISTER HEAD, COARSE THREAD MARK WITH RAISED OR RECSSED X ONLY ONE X NEED BE VISIBLE AFTER SLOTTING POSITION OPTIONAL MAXIMUM 2 INCOPLETE THREADS THREAD THREAD A A MAX MAX MAX MAX B B MIN MIN MAX MAX C C MIN MIN MAX MAX D D MIN MIN E E REF REF GRIP GRIP MAX MAX MIN MIN H H MIN MIN MAX MAX J J MIN MIN . .DRILL DRILL + + .00 .00 K K M M NO NO . . 632 632-NC NC-3 -3 A A NO NO . . 832 832-NC NC-3 -3 A A NO NO .10 .10-24 24 NC NC3 3A A 1/4 1/4-20 20 UNC UNC 3 3A A .1380 .1380 .1640 .1640 .1900 .1900 .2500 .2500 .226 .226 .208 .208 .132 .132 .118 .118 .096 .096 .089 .089 .270 .270 .250 .250 .156 .156 .141 .141 .113 .113 .106 .106 .313 .313 .392 .392 .180 .180 .165 .165 .130 .130 .123 .123 .414 .414 .389 .389 .237 .237 .219 .219 .170 [ ... ]

AN503 PDF Datasheet Download