DI 9FFTR731 is a code that appears on many of the items from the Swan.
- On the items in Hurley's stash of food. ("One of Them")
- On the antiseptic fluid Jack uses to clean up Ben's wound. ("One of Them")
- On cereal packages ("The Whole Truth") ("Lockdown")
- On items in the supply drop.
- On the hidden image at letyourcompassguideyou.com.
- On the Beer and Light Beer in the van found by Hurley.
- On Hurley's crackers. ("There's No Place Like Home, Part 1").
- On the cover of the Season Two DVD booklet.
- On the bottle of rum Juliet is drinking from. ("There's No Place Like Home, Part 3").
Products with the code DI 9FFTR731 also all have a bottom border which has two codes.
The one on the bottom left reads 960VKKS, and the one on the right PL390. These two codes also appear in the same location on the DHARMA manuals which have the main code DI 90M1654-21644.