HARTWELL PART NUMBER 83014/H3494.
FLUSH PART (WITH PUSH ENGRAVING) MEASURES
109mm BY 22mm
We are the original supplier of these on ebay as evidenced by the serial number in anyone elses pictures.
we sell them as Hartwell aircraft catches and have sold them for that purpose all over the world.
As it happens witht he GT40 These are similar to the GT40 original part but from an aircraft base are much stronger with forged steel hook and stainless steel body.They will fit into the original body recess.
You are buying the unit as shown , no lower hook bracket.