DA Form 5519-R, Tool Sign out Log/Register, is a document used for keeping the records of the toolsets, kits, and outfits (SKO) issued for use within the United States Army. The form is unclassified and approved for public release and distribution: the letter R at the end of the form stands for "reproducible".
The latest edition of the form was released by the Department of the Army (DA) in April 1986 and is valid and in use today. An up-to-date fillable DA Form 5519-R is available for digital filing and download below or can be found on the Army Publishing Directorate website.
The DA Form 5519-R instructions are not distributed along with the form. All information about filing and usage are provided in the Department of the Army Pamphlet 710-2-1, Using Unit Supply System (Manual Procedures), released in December 2016.