UNIT CONTAINER LEVEL CODE: A ONE POSITION ALPHA CODE THAT INDICATES IF THE UNIT CONTAINER IS AN ACCEPTABLE SHIPPING CONTAINER AND THE HIGHEST LEVEL OF PACKING PROTECTION PROVIDED BY THE CONTAINER. IN ACCORDANCE WITH DOD 4100.39-M, VOLUME 10, TABLE 182 AND MIL-STD-2073-1E, APPENDIX J, TABLE J.VIII.
Governing regulation: /N HTTPS://QUICKSEARCH.DLA.MIL/QSSEARCH.ASPX
Code values (4)
| Code | Meaning | Definition |
|---|---|---|
| A | Level a Packing Protection | UNIT CONTAINER PROVIDES LEVEL A PACKING PROTECTION. |
| B | Level B Packing Protection | UNIT CONTAINER PROVIDES LEVEL B PACKING PROTECTION. |
| O | Not an Acceptable Shipping Container | UNIT CONTAINER IS NOT AN ACCEPTABLE SHIPPING CONTAINER. |
| Z | Requires Special Consideration | UNIT CONTAINER REQUIRES SPECIAL CONSIDERATION (AIR ONLY, INSIDE STORAGE ONLY, ETC.). |
About UCL
What is UCL in FLIS / NSN cataloging?
UCL (Unit Container Level) uNIT CONTAINER LEVEL CODE: A ONE POSITION ALPHA CODE THAT INDICATES IF THE UNIT CONTAINER IS AN ACCEPTABLE SHIPPING CONTAINER AND THE HIGHEST LEVEL OF PACKING PROTECTION PROVIDED BY THE CONTAINER. IN ACCORDANCE WITH DOD 4100.39-M, VOLUME 10, TABLE 182 AND MIL-STD-2073-1E, APPENDIX J, TABLE J.VIII.
What does UCL code A mean?
UCL code A means "Level a Packing Protection". UNIT CONTAINER PROVIDES LEVEL A PACKING PROTECTION.
How many UCL codes are there?
The U.S. Defense Logistics Agency defines 4 UCL (Unit Container Level) code values in the FLIS published code dictionary. Each is listed on this page with its official meaning.
Last updated 2026-05-26. Published by DAITK™ against the U.S. Defense Logistics Agency (DLA) FLIS code dictionary, governed by DoD 4100.39-M (Federal Logistics Information System Procedures Manual).
The authoritative FLIS code dictionary published by DAITK™ — every cataloging field and value code, defined verbatim against the U.S. Defense Logistics Agency (DLA) FLIS standard, governed by DoD 4100.39-M. Authorized reference data, reproduced with attribution, not scraped.
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