TESS Database Decoder
What do all these funny numbers mean?
- The drawing number system for this project is described in the following for a typical drawing: aa-bbccdd.eeff
Drawing size is indicated by prefixing the drawing size letter to the number. A T indicates a text document. A number prefix is also used for the number of sheets, ( e.g. 2B ). Controlled purchased parts are indicated by a > in this column.
- The 36 in the aa position denotes the TESS Project.
- The first digit after the - denotes a major, complete assembly (see Table of Contents).
- The second and third digits denote a major subassembly.
- The fourth and fifth digits denotes items constituent to the subassemblies.
- The first and second digits after the decimal (generally) from a parts list for a lowest level assembly.
- The third and fourth digits after the decimal are available if further breakdown is necessary.
Revisions are shown by a letter in the Rev column. Initial releases
are designated as A. Pre-released revisions are indicated
by a number starting with 01. In the case of documents owned
by other organizations, the revision letter is followed by an
indicating that this is a "mirrored" copy. In the case of
documents subject to ITAR control or proprietary commercial
restrictions, a q follows the revision letter.
In the special case of Verification Reports, the drawing size
indicates the number of individual reports contributing to the total.
The revision letter will be either a P to indicate the item is
partially verified or a C to indicate the item is complete.
In the special case of Nonconforming Material Reports the revision letter
has the following meaning:
Drawings which show *** ? *** under the Description column will be purchased parts that have not yet been selected.
- 01, etc. Report is under consideration
- S Disposition -- Scrap
- R Disposition -- Repair
- U Disposition -- Use As Is
- V Disposition -- Return to Vender
- W Disposition -- Rework
The parent drawings as well as PDF versions are filed in the TESS data directory. The file name is of the form bccdd_eeffSk.rn and is write-protected from all access but that of the configuration manager.
- The first digits (bccdd_eeff) are the same as those in the Configuration Database. The 37- is missing, and the dot is replaced with an underscore.
- In the case of a multi-sheet drawing, a capital S followed by a page number k preceeding the .rn suffix.
- The suffix contains the revision number n of the drawing as an upper-case alphanumeric -- e.g. 01 or C. Typically, all revisions, past as well as current, are kept on file.
Sometimes numbers are assigned for things we know we'll need, but haven't
gotten there yet. If a drawing does exist, clicking on the DWG #
link will bring up a PDF version. Clicking on the REV link will
bring you to the directory containing the current and past versions,
in the original format as well as PDF.