First, confirm you are on the right form. DA Form 5991-E carries the official title OIL ANALYSIS REQUEST (EGA), and you use it to oil analysis request (ega). Second, check the edition: the copy offered here is dated 07/01/2026 and its publication status is ACTIVE. Third, size up the job — unknown page(s) and about unknown entry fields, so you can decide whether to fill it now or set aside time.
Now decide who does the writing. Normally you enter your own particulars, then hand the sheet to the unit administrative office for review. If you work in that office, you enter what the individual brings you. From there the path is the same for everyone: G-4 is responsible for the form, and AR 700-132, PAM 750-8 tells you what triggers it and where it ends up. Look at the directive first whenever your case departs from the ordinary.
Work from the top down, one block at a time. First the name — copy it from your official records rather than writing it the way you usually do. Then the identification number, then the unit, then today's date. Fill these before anything else. When the form reaches a file cabinet or a database, these are the entries someone searches on, so get them right before you worry about the rest.
In the body of the form, tab from field to field instead of clicking around. The tab order follows how the form was constructed, which keeps you from missing a box. For check boxes and option buttons, click them. If you find a set where the choices are exclusive, expect your new selection to clear the previous one. Keep an eye on long entries as you type: fields built for one line will not wrap, and what overflows the width will print truncated even though your screen shows all of it. At that point move the text into remarks or onto a continuation. And when something does not apply to you, say so in the field — write the entry that means "none" rather than leaving white space a reviewer has to interpret.
Save the signature for last. Sign by hand, or by whatever electronic method your office accepts, and understand that until you do the document is a draft no matter how complete it looks. If the form calls for a reviewing official, an approving authority, or a witness, take those signatures in the order the blocks print, and have each signer date it on the day they sign rather than the day you prepared it. Before you hand it over, read it once more from the top. You are looking for three things in particular: a mandatory field you left empty, digits transposed in your identification number, and a date written with day and month the wrong way round. Check one more thing if you built this form from a copy you had lying around — old entries survive in a reused file, and they will go forward as though you meant them.
You will find a Privacy Act statement on the form wherever personal information is collected. Read it at that point rather than skipping past it, because it tells you the authority for the collection, the purpose, the routine uses, and whether answering is mandatory. After you fill the form, remember that your copy contains personal data. Store it and transmit it as your office requires for records of that kind.
Download the form
Next comes the download itself. The formats available are PDF, and you decide between them by asking how you will enter the information. If you plan to type, take the fillable pdf: the boxes accept keyboard input and you can save the result. If you plan to write by hand, take the printable pdf and run it through your printer while it is still blank. Both show the same published page, so the decision affects your method and nothing else.
Once the file is on your machine, open it deliberately. A pdf will usually launch in your browser, which reads well enough but does not always hold what you type; certain viewers display the fields and then discard your entries. Save the download to a folder, open it from there in a dedicated reader, and test one field and one save before you commit to filling the whole thing.
One last point before you move on: every format is free. No registration stands between you and the file, and what you download is the published form, unaltered.
Once you have signed, route the form. The prescribing directive names the destination: an office, your unit administrative channel, or your personal file, according to the case. Make yourself a copy first, because you will not get the original back. After that, retention is out of your hands — the applicable records schedule fixes how long the document is kept, whatever the practice in a particular office.
Should the package need more than one document, search by series and number. Within the DA series, forms under the same proponent or the same prescribing directive tend to be required as a set, and a form referenced on the page you are filling usually accompanies it. Collect the continuations, covers and transmittals up front so the submission goes complete the first time.
Before you reuse a saved copy, look at the edition date printed on it. The proponent revises the form from time to time, and your stored file will not tell you when that happens — you compare its date against the current edition yourself. If a revision has come out since you last filed one of these, leave the earlier submission alone; the change does not reach backwards.
Finally, know where you are. These are copies of published Department of the Army forms, made available for you to download. The site is independent, unconnected to the Department of the Army, and in no position to issue forms or to promise that any office will accept yours. None of this is legal advice. If a specific entry puzzles you, if you are unsure a requirement applies, or if eligibility is in question, put the question to G-4 or to the administrative office serving your unit.
Questions and answers
- What is DA Form 5991-E?
- OIL ANALYSIS REQUEST (EGA)
- Which edition is current?
- 07/01/2026
- Who is responsible for this form?
- G-4
- In which formats can it be downloaded?